SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - SUMMARY OF INVESTMENTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity method investment	$ 15,400	$ 14,266
Other investments	2,534	2,244
Goodwill	1,602	1,602
Earnings recorded before tax	603	633	$ 666
Equity earnings	1,609	1,481	1,498
Payments to acquire equity method investments	988	382	376
Distributions from Investments	1,177	948	886
Undistributed earnings from equity method investments	2,900	2,500
Undistributed earnings, equity method investments, less than 50 percent owned	630
Operating Segments
Schedule of Equity Method Investments [Line Items]
Other investments	2,533	2,243
Earnings recorded before tax	584	593	666
Earnings recorded net of income tax	1,006	848	832
Distributions from Investments	1,168	948	886
Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments	12	15	30
Sempra Infrastructure | Operating Segments
Schedule of Equity Method Investments [Line Items]
Equity earnings	802	740	756
Distributions from Investments	548	503	541
Sempra Texas Utilities
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments	976	367	346
Sempra Texas Utilities | Operating Segments
Schedule of Equity Method Investments [Line Items]
Equity earnings	788	701	742
Distributions from Investments	620	445	345
Total
Schedule of Equity Method Investments [Line Items]
Other investments	2,534	2,244
Oncor Holdings | Sempra Texas Utilities
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investments	$ 972	$ 363	341
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	$ 15,400	$ 14,266
Difference between carrying amount of equity method investment and underlying equity	2,884	2,870
Goodwill	2,868	2,868
Equity method investment, difference between carrying amount and underlying equity, aoci	69	69
Difference between carrying amount and underlying equity, tax sharing liability	53	67
Earnings recorded net of income tax	780	694	735
Distributions from Investments	616	441	340
Return of investments	13
Total distributions from equity method investments, including the tax sharing agreement	$ 681	558	443
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	5
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%
Other investments	$ 122	$ 114
Difference between carrying amount of equity method investment and underlying equity	41	41
Earnings recorded before tax	8	7	7
Distributions from Investments	4	4	5
Cameron LNG JV | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Equity method investment	1,149	1,008
Payments to acquire equity method investments	$ 12	$ 15	30
Cameron LNG JV | Sempra Infrastructure | Operating Segments
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee	50.20%	50.20%
Other investments	$ 1,149	$ 1,008
Difference between carrying amount of equity method investment and underlying equity	257	262
Earnings recorded before tax	576	586	659
Basis difference in equity earnings related to AOCI		9	12
Distributions from Investments	$ 453	$ 456	509
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%
Other investments	$ 723	$ 620
Difference between carrying amount of equity method investment and underlying equity	5	5
Earnings recorded net of income tax	136	40	68
Distributions from Investments	$ 33	$ 11	0
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%
Other investments	$ 539	$ 501
Difference between carrying amount of equity method investment and underlying equity	130	130
Earnings recorded net of income tax	90	114	29
Distributions from Investments	62	36	32
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	19	40	0
Distributions from Investments	9	0	$ 0
Other | Parent and other
Schedule of Equity Method Investments [Line Items]
Other investments	$ 1	$ 1