Gains and Losses on NDTs Investment, Policy [Policy Text Block] Receivables (payables), net Accounts Payable [Member] Schedule of Nuclear Decommissioning Trusts Investments Debt Securities, Available-for-Sale [Table Text Block] Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Various affiliates Other Affiliates [Member] Associated offsetting cash collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Consolidating adjustments and Parent and other Corporate And Eliminations [Member] Corporate And Eliminations Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number 2024 GRC retroactive impacts Regulatory Balancing Accounts, 2024 General Rate Case Retroactive Impact [Member] Regulatory Balancing Accounts, 2024 General Rate Case Retroactive Impact Tabular List, Table Tabular List [Table Text Block] Sempra Texas Intermediate Holding Company LLC Sempra Texas Intermediate Holding Company LLC [Member] Sempra Texas Intermediate Holding Company LLC [Member] GENERAL INFORMATION AND OTHER FINANCIAL DATA Additional Financial Information Disclosure [Text Block] General Rate Case Plan [Axis] General Rate Case Plan [Axis] General Rate Case Plan [Axis] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Total debt securities Debt Securities [Member] Maximum exposure under guarantor obligations Guarantor Obligations, Maximum Exposure, Undiscounted Pension and other postretirement benefits, net of tax amount, attributable to noncontrolling interests Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Noncontrolling Interest 5.5% Note due July 14, 2026 Five Point Five Percent Note due July 2026 [Member] Five Point Five Percent Note due July 2026 Measurement Basis [Axis] Measurement Basis [Axis] TotalEnergies SE TotalEnergies SE [Member] TotalEnergies SE Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] REGULATORY MATTERS SAN ONOFRE NUCLEAR GENERATING STATION Public Utilities Disclosure [Text Block] REVENUES Revenue from Contract with Customer [Text Block] Cost of sales Costs Of Sales, Net Commodity Costs Costs Of Sales, Net Commodity Costs Preferred dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Contract with Customer, Asset and Liability [Table] Contract with Customer, Asset and Liability [Table] Contract with Customer, Asset and Liability [Table] Corporate Joint Venture Corporate Joint Venture [Member] Associated offsetting cash collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Gross unrealized gains Securities Held in Nuclear Decommissioning Trusts, Accumulated Gross Unrealized Gain, before Tax Securities Held in Nuclear Decommissioning Trusts, Accumulated Gross Unrealized Gain, before Tax Total assets held for sale Disposal Group, Including Discontinued Operation, Assets Utilities: Natural Gas Revenue Utilities: Natural Gas Revenue [Member] Utilities: Natural Gas Revenue Adjustment to Compensation, Amount Adjustment to Compensation Amount Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Pension Pension Plan [Member] Increase (decrease) in short-term debt, net Decrease in short-term debt, net Proceeds from (Repayments of) Short-Term Debt, Maturing in Three Months or Less Principles of Consolidation Consolidation, Policy [Policy Text Block] Advances from unconsolidated affiliates Proceeds from Contributions from Affiliates Depreciation and amortization Depreciation and amortization Utilities Operating Expense, Depreciation and Amortization Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Maximum adjustment EBITDA allowed Debt Instrument, Covenant, Maximum Required Adjustment EBITDA Debt Instrument, Covenant, Maximum Required Adjustment EBITDA Common stock, shares authorized (in shares) Common Stock, Shares Authorized Number of complaints Loss Contingency, Number Of Complaints Loss Contingency, Number Of Complaints Recurring Fair Value, Recurring [Member] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] SEMPRA - POTENTIAL DIVESTITURES Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] Property, plant and equipment: Property, Plant and Equipment, Net [Abstract] Earnings attributable to noncontrolling interests Net income, Non-controlling interest (after tax) NCI held by Texas Transmission Investment LLC Net Income (Loss) Attributable to Noncontrolling Interest First Mortgage Bonds, 5.40% April 15, 2035 First Mortgage Bonds, 5.40% April 15, 2035 [Member] First Mortgage Bonds, 5.40% April 15, 2035 Equity earnings Income (Loss) From Equity Method Investments [Member] Natural Gas Operations Natural Gas Operations [Member] Natural Gas Operations Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Energy-related businesses Natural Gas and Electricity, US Regulated [Member] Natural Gas and Electricity, US Regulated [Member] Authorized weighting Authorized Weighting [Member] Authorized Weighting Off-Balance-Sheet Credit Exposures Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] KKR Pinnacle KKR Pinnacle [Member] KKR Pinnacle Noncurrent liabilities Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Pretax income Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from debt issuance Proceeds from Issuance of Debt Legal Proceedings Legal Costs, Policy [Policy Text Block] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Public utilities, write-off of disallowed costs, after tax Public Utilities, Write-Off Of Disallowed Costs, After Tax Public Utilities, Write-Off Of Disallowed Costs, After Tax Purchased-Power Contracts Purchased-Power Contracts [Member] Purchased-Power Contracts [Member] Schedule Of Income Tax Expense And Effective Income Tax Rates [Table] Schedule Of Income Tax Expense And Effective Income Tax Rates [Table] Comprehensive income, net of tax amount, attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Letters of credit outstanding Letter of Credit [Member] Jointly Owned Utility Plant Interests [Line Items] Jointly Owned Utility Plant Interests [Line Items] 2024 GRC - 2024 Requirement 2024 GRC - 2024 Requirement [Member] 2024 GRC - 2024 Requirement Port Arthur LNG Committed Line Of Credit Due 2030 Port Arthur LNG Committed Line Of Credit Due 2030 [Member] Port Arthur LNG Committed Line Of Credit Due 2030 Document Fiscal Period Focus Document Fiscal Period Focus Foreign currency translation adjustments, pretax amount, attributable to parent Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Short-term investments held in Rabbi Trust Short Term Investments Held In Trusts, Fair Value Disclosure Short Term Investments Held In Trusts, Fair Value Disclosure Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Weighted requested return on rate base (as a percent) Cost Of Capital Requested Return On Rate Base Cost Of Capital Requested Return On Rate Base Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type [Axis] Award Type [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Utility Plant [Domain] Utility Plant [Domain] Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol Capitalized financing costs Capitalized Interest Costs, Including Allowance for Funds Used During Construction Ecogas Ecogas [Member] Ecogas Capitalized Financing Costs Disclosure [Line Items] Schedule of Capitalization [Line Items] Deferred credits and other liabilities: Deferred Credits and Other Liabilities [Abstract] Revenue Requirement, Period [Axis] Revenue Requirement, Period [Axis] Revenue Requirement, Period Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Schedule Of Net Regulatory Assets (Liabilities) [Line Items] Schedule Of Net Regulatory Assets (Liabilities) [Line Items] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Future minimum lease payments due remainder of the year Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Ownership percentage in consolidated entity (in percentage) Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions Credit Losses Credit Loss, Financial Instrument [Policy Text Block] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Return on rate base Return on Rate Base [Member] Return on Rate Base Requested review and recovery of wildfire mitigation plan General Rate Case, Requested Review And Recovery Of Wildfire Mitigation Plan Costs General Rate Case, Requested Review And Recovery Of Wildfire Mitigation Plan Regulatory Agency [Axis] Regulatory Agency [Axis] Entity Emerging Growth Company Entity Emerging Growth Company Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Pretax gain (loss) on derivatives recognized in earnings Derivative, Gain (Loss) on Derivative, Net Distributions to noncontrolling interests Payments of Distributions to Affiliates Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding 2024 General Rate Case 2024 General Rate Case [Member] 2024 General Rate Case Provisions for expected credit losses Accounts Receivable, Credit Loss Expense (Reversal) Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Proceeds from related party debt Proceeds from Related Party Debt Fixed-price contracts and other derivatives Deferred Derivative Gain (Loss) [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Guarantees, carrying value Guarantor Obligations, Current Carrying Value Q1 2025 Forward Sale Agreement Q1 2025 Forward Sale Agreement [Member] Q1 2025 Forward Sale Agreement Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax (expense) benefit Net income, income tax (expense) benefit Income tax expense (benefit) Income Tax Expense (Benefit) Variable percentage rate (in percent) Spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Long-term amounts due to unconsolidated affiliates Advances From Affiliates, At Fair Value Advances From Affiliates, At Fair Value Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Purchases of nuclear decommissioning and other trust assets Purchases of nuclear decommissioning trust assets Payments to Acquire Investments to be Held in Decommissioning Trust Fund Document Information [Line Items] Document Information [Line Items] Operating Segments After Reconciling Items And Eliminations Operating Segments After Reconciling Items And Eliminations [Member] Operating Segments After Reconciling Items And Eliminations Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Derivatives designated as hedging instruments: Designated as Hedging Instrument [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Revenue Requirement, Period One Revenue Requirement, Period One [Member] Revenue Requirement, Period One 5.5% Note due January 22, 2029 Five Point Five Percent Note due January 2029 [Member] Five Point Five Percent Note due January 2029 Hedging Relationship [Axis] Hedging Relationship [Axis] Pretax (loss) gain reclassified from AOCI into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Service-based RSUs Restricted Stock Units (RSUs), Service-based [Member] Restricted Stock Units (RSUs), Service-based [Member] Total comprehensive income Comprehensive Income (Loss), Before Preferred Stock Dividend Requirements Comprehensive Income (Loss), Before Preferred Stock Dividend Requirements IEnova IEnova [Member] IEnova Decommissioning costs Decommissioning Liability, Noncurrent Discontinued Operations and Disposal Groups [Abstract] SDG&E San Diego Gas and Electric Company [Member] Credit adjustment spread Debt Instrument, Credit Adjustment Spread Debt Instrument, Credit Adjustment Spread Flow-Through Rate-Making Treatment Tax Regulatory Income Taxes, Policy [Policy Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Sempra California Sempra California [Member] Sempra California Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Financial instruments, income tax (expense) benefit, attributable to parent Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Pension and PBOP plan obligations Pension and Other Postretirement Plans Costs [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Preferred dividends Preferred Stock Dividends, Income Statement Impact Class of Treasury Stock [Table] Class of Treasury Stock [Table] Requested recovery amount Public Utilities, Requested Rate Increase (Decrease), Amount Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other balancing accounts Regulatory Balancing Accounts, Other [Member] Regulatory Balancing Accounts, Other [Member] TAG JV Norte TAG JV Notes [Member] TAG JV Notes [Member] Comprehensive income, income tax (expense) benefit, attributable to parent Comprehensive income, income tax expense, attributable to parent Comprehensive Income (Loss), Tax, Attributable to Parent Comprehensive Income (Loss), Tax, Attributable to Parent Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Term of debt instrument (in years) Debt Instrument, Term Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Subsequent Event Subsequent Event [Member] Equity Method Investment, Nonconsolidated Investee or Group of Investees Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Future minimum lease payments due after year four Unrecorded Unconditional Purchase Obligation, To Be Paid, After Year Four Unrecorded Unconditional Purchase Obligation, To Be Paid, After Year Four Amortization of: Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Number of project owners sending direct proceeds Long Term Debt, Number Of Project Owners In Financing Arrangement, Direct Proceeds Long Term Debt, Number Of Project Owners In Financing Arrangement, Direct Proceeds Contract with Customer, Asset [Table] Contract with Customer, Asset [Table] Contract with Customer, Asset [Table] Derivative liability, subject to master netting arrangement, before offset Derivative Liability, Subject to Master Netting Arrangement, before Offset Capital Structure Category [Axis] Capital Structure Category [Axis] Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Increase (decrease) in ARO capitalized to PP&E Increase (decrease) in ARO capitalized to PP&E Increase (Decrease) In Asset Retirement Obligation For Investment In Property Plant and Equipment Increase (Decrease) In Asset Retirement Obligation For Investment In Property Plant and Equipment Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Accounts receivable – trade, net Trade Accounts Receivable [Member] Number of reportable segments Number of Reportable Segments Revenues: Energy- related businesses Sales [Member] Guaranteed funding amount (in percent) Noncontrolling Interest, Guaranteed Funding Commitment, Percentage Noncontrolling Interest, Guaranteed Funding Commitment, Percentage Regulatory liabilities Regulatory Liability, Noncurrent Entity Address, State or Province Entity Address, State or Province Common stock dividends Dividends, Common Stock Comprehensive income, pretax amount, attributable to parent Comprehensive income, pretax amount, attributable to parent Comprehensive Income (Loss), Before Tax, Attributable to Parent Comprehensive Income (Loss), Before Tax, Attributable to Parent Funding commitment (in percent) Noncontrolling Interest, Funding Commitment, Percentage Noncontrolling Interest, Funding Commitment, Percentage Total current liabilities Liabilities, Current FERC requirement to maintain common equity ratio at or above, base (as a percent) FERC Requirement To Maintain Common Equity Ratio At Or Above, Base FERC Requirement To Maintain Common Equity Ratio At Or Above, Base Nuclear decommissioning trust authorized withdrawal amount Authorized Recovery Amount, Nuclear Decommissioning Trust Funding Authorized Recovery Amount, Nuclear Decommissioning Trust Funding. Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Individual: Individual [Axis] Property, plant and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Approved return on equity (as a percent) Public Utilities, Approved Return on Equity, Percentage Interbank Equilibrium Interest Rate Interbank Equilibrium Interest Rate [Member] Interbank Equilibrium Interest Rate Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Increase in finance lease obligations capitalized to PP&E Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Common dividends paid Payments of Ordinary Dividends, Common Stock Contributions from noncontrolling interests Proceeds from Noncontrolling Interests Derivative liability, Additional cash collateral for commodity contracts not subject to rate recovery Derivative Liability, Additional Margin Posted For Commodity Contracts Not Subject to Rate Recovery Derivative Liability, Additional Margin Posted For Commodity Contracts Not Subject to Rate Recovery Due from unconsolidated affiliates – current Due From Related Parties, Current [Member] Due From Related Parties, Current [Member] Project [Domain] Project [Domain] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Natural gas Natural Gas, US Regulated [Member] Ownership interest (as a percent) Subsidiary, Ownership Percentage, Noncontrolling Owner Entity Interactive Data Current Entity Interactive Data Current Due to/from Sempra Energy Majority Shareholder [Member] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Income tax expense from divestiture, after noncontrolling interest Disposal Group, Including Discontinued Operation, Income Tax Expense (Benefit), Attributable To Parent Disposal Group, Including Discontinued Operation, Income Tax Expense (Benefit), Attributable To Parent Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Current portion of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Debt instrument, basis spread on variable rate, minimum Debt Instrument, Basis Spread On Variable Rate, Minimum Debt Instrument, Basis Spread On Variable Rate, Minimum Commodity – electric Regulatory Balancing Accounts, Commodities, Electricity [Member] Regulatory Balancing Accounts, Commodities, Electricity [Member] Ownership [Domain] Ownership [Domain] Cost of natural gas Utilities Operating Expense, Gas and Petroleum Purchased Other long-term assets Other Assets, Noncurrent Interest payable Interest Payable, Current Entity Central Index Key Entity Central Index Key PEO Name PEO Name Revenues Revenues TO5 Settlement TO5 Settlement [Member] TO5 Settlement Energy-related businesses cost of sales Energy-Related Businesses Cost Of Sales [Member] Energy-Related Businesses Cost Of Sales Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Cost Securities Held In Nuclear Decommissioning Trusts, Amortized Costs Securities Held In Nuclear Decommissioning Trusts, Amortized Costs Potential monetary sanctions threshold (as a percent) Environmental Costs, Potential Monetary Sanctions, Threshold, Percentage Environmental Costs, Potential Monetary Sanctions, Threshold, Percentage Netting adjustment Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset Number of purchase power contracts to be commenced in year three Lessee, Number Of Purchased-Power Contracts, To Be Commenced, Year Three Lessee, Number Of Purchased-Power Contracts, To Be Commenced, Year Three Derivative Instruments on the Condensed Consolidated Balance Sheets Table Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Derivative, nonmonetary notional amount Derivative, Nonmonetary Notional Amount, Energy Measure Inventory, Current [Table] Inventory, Current [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Cost of natural gas Cost of Natural Gas [Member] Nonrelated Party Nonrelated Party [Member] Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Cash and cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Preferred dividends of subsidiary, pretax amount, attributable to parent Preferred Dividends Paid by Subsidiaries, Net Of Tax, Attributable To Parent Preferred Dividends Paid by Subsidiaries, Net Of Tax, Attributable To Parent Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Reportable Segment Reportable Segment [Member] Reportable Segment Interest on regulatory balancing accounts, net Regulatory Interest, net Regulatory interest, net. Entity Address, Address Line One Entity Address, Address Line One Accumulated other comprehensive income (loss) Total AOCI AOCI Attributable to Parent [Member] Accounts receivable - trade and other, net Accounts Receivable, Allowance for Credit Loss, Current Preferred dividends of subsidiary Other Preferred Stock Dividends and Adjustments Shares withheld for tax purposes (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Unamortized debt issuance costs reclassified from noncurrent asset to long-term debt Unamortized Debt Issuance Costs Reclassified Unamortized Debt Issuance Costs Reclassified Guaymas-El Oro segment of the Sonora Pipeline Guaymas-El Oro segment of the Sonora Pipeline [Member] Guaymas-El Oro segment of the Sonora Pipeline Ownership [Axis] Ownership [Axis] DERIVATIVE FINANCIAL INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Disposal Group Held-for-sale Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Schedule of Other Nonoperating Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Foreign currency translation adjustments, income tax (expense) benefit, attributable to parent Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Dilutive effect of stock options and RSUs (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Equity awards, granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Operating revenues Operating revenues Regulated Operating Revenue Cost of sales Costs and Expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Deferred income taxes and investment tax credits Deferred Income Taxes and Tax Credits Total long-term debt Long-Term Debt, Fair Value Schedule of Fair Value Inputs Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Dedicated assets in support of certain benefit plans Asset, Held-in-Trust, Noncurrent Counterparty Name [Domain] Counterparty Name [Domain] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Guarantees Guarantees [Text Block] Other income, net Other Income [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] 5.74% Note due December 17, 2029 Five Point Seven Four Percent Note December 2029 [Member] Five Point Seven Four Percent Note December 2029 Requested return on equity (as a percent) Public Utilities, Requested Return on Equity, Percentage Utilities Revenue Not from Contract with Customer, Other, Regulated Operations Revenue Not from Contract with Customer, Other, Regulated Operations SI Partners SI Partners [Member] SI Partners Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Approved debt capital structure (as a percent) Public Utilities, Approved Debt Capital Structure, Percentage Change in benchmark rate during period percentage General Rate Case, Approved Revenue Requirement, Approved Increase (Decrease) Adjustment Of Return On Equity, Percentage General Rate Case, Approved Revenue Requirement, Approved Increase (Decrease) Adjustment Of Return On Equity, Percentage Non-PEO NEO Non-PEO NEO [Member] Letters of credit outstanding Letters of Credit Outstanding, Amount Foreign currency translation adjustments, net of tax amount, attributable to noncontrolling interests Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest Safety and reliability Regulatory Balancing Accounts, Safety and Reliability [Member] Regulatory Balancing Accounts, Safety and Reliability [Member] Asset retirement obligations Asset Retirement Obligation, Current Years of service required for Health Reimbursement Account Defined Benefit Plan, Health Reimbursement Account, Years Of Service Required Defined Benefit Plan, Health Reimbursement Account, Years Of Service Required Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Number of shares that remain to be settled (in shares) Sale of Stock, Number of Shares That Remain To Be Issued in Transaction Sale of Stock, Number of Shares That Remain To Be Issued in Transaction Sale of Stock [Axis] Sale of Stock [Axis] Notional amount of derivative Derivative Liability, Notional Amount Schedule of Regulatory Liabilities Schedule of Regulatory Liabilities [Table Text Block] Award Type [Domain] Award Type [Domain] General Rate Case Plan [Domain] General Rate Case Plan [Domain] [Domain] for General Rate Case Plan [Axis] Amortization of prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Pretax (loss) gain recognized in OCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Liability insurance premium Regulatory Balancing Accounts, Liability Insurance Premium [Member] Regulatory Balancing Accounts, Liability Insurance Premium Equity Awards Adjustments Equity Awards Adjustments [Member] Other Other Noncash Income (Expense) Deferred credits and other Deferred Credits and Other Liabilities Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other revenues Other Income Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Gross unrealized losses Securities Held in Nuclear Decommissioning Trusts, Accumulated Gross Unrealized Loss, before Tax Securities Held in Nuclear Decommissioning Trusts, Accumulated Gross Unrealized Loss, before Tax Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Preferred dividends of subsidiary Dividends, Preferred Stock, Subsidiary Dividends, Preferred Stock, Subsidiary Foreign exchange instruments Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair value Estimate of Fair Value Measurement [Member] Revenue from performance obligations satisfied during reporting period Contract with Customer, Liability, Revenue Recognized Retirement Plan Type [Domain] Retirement Plan Type [Domain] Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Sempra Infrastructure Sempra Infrastructure [Member] Sempra Infrastructure Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term debt and finance leases Long-Term Debt and Lease Obligation Financial Instruments [Domain] Financial Instruments [Domain] Cash Flow Hedge Impact on the Condensed Consolidated Statements of Comprehensive Income Table Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Inventories Total Inventory, Net Minimum Minimum [Member] Earnings attributable to common shares, diluted Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Company Selected Measure Name Company Selected Measure Name Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies US Government Debt Securities [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] REVENUES Regulated and Unregulated Operating Revenue [Abstract] DEBT AND CREDIT FACILITIES Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Dividends declared but not paid Dividends Payable 5.5% Note due January 14, 2026 Five Point Five Percent Note due January 2026 [Member] Five Point Five Percent Note due January 2026 Requested interim rate recovery Public Utilities, Requested Interim Recovery Rate, Percentage Public Utilities, Requested Interim Recovery Rate, Percentage COMMITMENTS, CONTINGENCIES AND GUARANTEES Commitments and Contingencies Disclosure [Text Block] Weighted-average common shares outstanding (in shares) Weighted-average common shares outstanding for diluted EPS (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average interest rate on total short-term debt outstanding Short-Term Debt, Weighted Average Interest Rate, at Point in Time Segment Information Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Potential monetary sanctions threshold Environmental Costs, Potential Monetary Sanctions, Threshold Environmental Costs, Potential Monetary Sanctions, 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Oncor Electric Delivery Company LLC. [Member] Oncor Electric Delivery Company LLC. 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