SEMPRA – INVESTMENTS IN UNCONSOLIDATED ENTITIES - SEMPRA SUPPORT AGREEMENT FOR CFIN, IMG, AND TAG NORTE (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2020 USD ($) projectOwner bank project_owner	Dec. 31, 2024 USD ($)
Cameron LNG
Schedule of Equity Method Investments [Line Items]
Number of project owners | project_owner	4
Cameron LNG
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee		50.20%
Cameron LNG | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee		50.20%
Cameron LNG | Sempra Infrastructure | TAG Pipelines Norte
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee		50.00%
Cameron LNG | Corporate Joint Venture | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Proceeds from related parties	$ 1,500
Number of project owners sending direct proceeds | projectOwner	2
Number of project owners sending proceeds from external lenders | projectOwner	2
Debt covenant, liability cap (as a percent)		130.00%
Debt covenant, liability cap amount		$ 979
IMG JV | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee		40.00%
Transportation service contract term		35 years
TAG Pipelines Norte | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee		50.00%
Los Ramones Norte | Sempra Infrastructure | TAG Pipelines Norte
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee		50.00%
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Current guarantor obligations		$ 25
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure | Other Current Assets
Schedule of Equity Method Investments [Line Items]
Current guarantor obligations		7
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure | Other long-term assets
Schedule of Equity Method Investments [Line Items]
Current guarantor obligations		$ 18
Variable Interest Entity, Not Primary Beneficiary | Cameron LNG | Corporate Joint Venture | Sempra Infrastructure
Schedule of Equity Method Investments [Line Items]
Proceeds from related parties	$ 753
Number of banks | bank	8