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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of receivables owed to an entity that is affiliated with the reporting entity by means of direct or indirect ownership, which are usually due after one year (or one business cycle, if longer).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - TRANSACTIONS WITH AFFILIATES (Details)	1 Months Ended	12 Months Ended
	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 MXN ($)
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current		$ 54,000,000	$ 23,000,000
Due from unconsolidated affiliates - noncurrent		0	637,000,000
Due to unconsolidated affiliates, noncurrent		(301,000,000)	(287,000,000)
Total facility		9,700,000,000
Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		(301,000,000)	(287,000,000)
Debt amount	$ 625,000,000
IMG JV \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due from affiliates, allowance for credit loss			1,000,000
Due from unconsolidated affiliates - noncurrent		0	637,000,000
Total facility			691,000,000	$ 14,200,000,000
Accrued interest receivable			2,000,000
Due From Sempra Mexico \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - noncurrent		0	637,000,000
TAG Pipeline Norte JV \| Other Long term Debt Currently Through January 2024 \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		$ (40,000,000)	(69,000,000)
Stated percentage rate		5.50%
TAG Pipeline Norte JV \| Five Point Five Notes Due January 2025 \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		$ (23,000,000)	(21,000,000)
Stated percentage rate		5.50%
TAG Pipeline Norte JV \| Five Point Five Notes Due July 2025 \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		$ (21,000,000)	(20,000,000)
Stated percentage rate		5.50%
TAG Pipeline Norte JV \| Five Point Five Notes Due January 2026 \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		$ (19,000,000)	0
Stated percentage rate		5.50%
TAG Pipeline Norte JV \| Five Point Five Notes Due July 2026 \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		$ (11,000,000)	0
Stated percentage rate		5.50%
TAG JV Notes \| Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent		$ (187,000,000)	(177,000,000)
Stated percentage rate		5.74%
Other related parties
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current		$ 13,000,000	5,000,000
Tax Sharing Arrangement
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current		41,000,000	$ 18,000,000
Interbank Equilibrium Rate \| IMG JV \| Sempra Infrastructure
Related Party Transaction [Line Items]
Variable percentage rate			2.20%
Related party transaction rate			8.06%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| IMG JV \| Sempra Infrastructure
Related Party Transaction [Line Items]
Variable percentage rate	1.80%
San Diego Gas and Electric Company
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current		(135,000,000)	$ (97,000,000)
Total facility		1,500,000,000
San Diego Gas and Electric Company \| Due to/from Sempra Energy
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current		(49,000,000)	(40,000,000)
Income taxes due (from) Sempra Energy		10,000,000	19,000,000
San Diego Gas and Electric Company \| Due to/from SoCalGas
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current		(72,000,000)	(48,000,000)
San Diego Gas and Electric Company \| Due to/from Various Affiliates
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current		(14,000,000)	(9,000,000)
SoCalGas
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current		77,000,000	49,000,000
Due to unconsolidated affiliates - current		(36,000,000)	(36,000,000)
Total facility		1,200,000,000
SoCalGas \| Due to/from Sempra Energy
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current		(36,000,000)	(36,000,000)
Income taxes due (from) Sempra Energy		(16,000,000)	6,000,000
SoCalGas \| Due to/from Various Affiliates
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current		5,000,000	1,000,000
SoCalGas \| Due to/from SDGE
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current		$ 72,000,000	$ 48,000,000