SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - SUMMARY OF INVESTMENTS (Details) - USD ($) $ in Millions			12 Months Ended
	Feb. 12, 2026	Feb. 11, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Equity method investment			$ 17,472	$ 15,400
Other investments			147	2,534
Goodwill			0	1,602
Deferred income taxes			568	(28)	$ 187
Earnings recorded before tax			620	603	633
Equity earnings			1,604	1,609	1,481
Payments to acquire equity method investments			2,015	988	382
Distributions from investments			1,165	1,177	948
Distributions from investments			1,120	1,093	912
Undistributed earnings from equity method investments			3,400	2,900
Undistributed earnings, equity method investments, less than 50 percent owned			710
Disposal Group Held-for-sale | SI Partners
Schedule of Equity Method Investments [Line Items]
Equity method investments held for sale			2,566
Operating Segments
Schedule of Equity Method Investments [Line Items]
Equity method investment			146	2,533
Earnings recorded before tax			620	584	593
Earnings recorded net of income tax			984	1,006	848
Distributions from investments			1,165	1,168	948
Sempra Texas Utilities
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments			2,013	976	367
Sempra Texas Utilities | Subsequent Event | Oncor Holdings
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments	$ 876
Distributions from investments		$ 229
Sempra Texas Utilities | Operating Segments
Schedule of Equity Method Investments [Line Items]
Equity earnings			869	788	701
Distributions from investments			638	620	445
Sempra Infrastructure | Operating Segments
Schedule of Equity Method Investments [Line Items]
Equity earnings			735	802	740
Distributions from investments			527	548	503
Total
Schedule of Equity Method Investments [Line Items]
Other investments			147	2,534
Oncor Holdings | Sempra Texas Utilities
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments			$ 2,009	972	363
Return of investments				$ 13
Oncor Holdings | Sempra Texas Utilities | Operating Segments
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			100.00%	100.00%
Equity method investment			$ 17,472	$ 15,400
Difference between carrying amount of equity method investment and underlying equity			2,769	2,884
Goodwill			2,868	2,868
Equity method investment, difference between carrying amount and underlying equity, aoci			69	69
Deferred income taxes			124
Difference between carrying amount and underlying equity, tax sharing liability			44	53
Earnings recorded net of income tax			862	780	694
Distributions from investments			634	616	441
Total distributions from equity method investments, including the tax sharing agreement			$ 666	681	558
Sharyland Holdings, LP
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			50.00%
Sharyland Holdings, LP | Sempra Texas Utilities
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments			$ 4	$ 4	4
Sharyland Holdings, LP | Sempra Texas Utilities | Operating Segments
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			50.00%	50.00%
Equity method investment			$ 129	$ 122
Difference between carrying amount of equity method investment and underlying equity			41	41
Earnings recorded before tax			7	8	7
Distributions from investments			4	4	4
Cameron LNG JV | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Equity method investment			1,259	1,149
Payments to acquire equity method investments			2	$ 12	15
Cameron LNG JV | Sempra Infrastructure | Disposal Group Held-for-sale | SI Partners
Schedule of Equity Method Investments [Line Items]
Equity method investments held for sale			$ 1,242
Cameron LNG JV | Sempra Infrastructure | Operating Segments
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			50.20%	50.20%
Equity method investment			$ 17	$ 1,149
Difference between carrying amount of equity method investment and underlying equity			251	257
Earnings recorded before tax			613	576	586
Basis difference in equity earnings related to AOCI					9
Distributions from investments			482	$ 453	456
Cameron LNG JV | Sempra Infrastructure | Operating Segments | Disposal Group Held-for-sale | SI Partners
Schedule of Equity Method Investments [Line Items]
Equity method investments held for sale			$ 1,242
IMG JV | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			40.00%
IMG JV | Sempra Infrastructure | Operating Segments
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			40.00%	40.00%
Equity method investment			$ 0	$ 723
Difference between carrying amount of equity method investment and underlying equity			5
Earnings recorded net of income tax			43	136	40
Distributions from investments			0	$ 33	11
IMG JV | Sempra Infrastructure | Operating Segments | Disposal Group Held-for-sale | SI Partners
Schedule of Equity Method Investments [Line Items]
Equity method investments held for sale			$ 766
TAG Pipelines Norte | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			50.00%
TAG Pipelines Norte | Sempra Infrastructure | Operating Segments
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			50.00%	50.00%
Equity method investment			$ 0	$ 539
Difference between carrying amount of equity method investment and underlying equity			130
Earnings recorded net of income tax			79	90	114
Distributions from investments			45	62	36
TAG Pipelines Norte | Sempra Infrastructure | Operating Segments | Disposal Group Held-for-sale | SI Partners
Schedule of Equity Method Investments [Line Items]
Equity method investments held for sale			$ 558
Other
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee			100.00%
Other | Parent and other
Schedule of Equity Method Investments [Line Items]
Other investments			$ 1	1
RBS Sempra Commodities
Schedule of Equity Method Investments [Line Items]
Earnings recorded before tax				19	40
RBS Sempra Commodities | Parent and other
Schedule of Equity Method Investments [Line Items]
Earnings recorded before tax			0	19	40
Distributions from investments			$ 0	$ 9	$ 0