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Due From Related Party, Noncurrent, Allowance For Credit Loss

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Related Party Tax Expense, Due To (From) Affiliates, Current

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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 within 1 year (or 1 business cycle).

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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)	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 MXN ($)
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current	$ 23,000,000	$ 20,000,000	$ 32,000,000
Due from unconsolidated affiliates - noncurrent	637,000,000	780,000,000	742,000,000
Due to unconsolidated affiliates, noncurrent	(287,000,000)	(234,000,000)	(195,000,000)
Due to unconsolidated affiliates - current	0	(45,000,000)	(5,000,000)
Total facility	9,535,000,000
Due to/from Various Affiliates
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	0	$ (4,000,000)	(5,000,000)
LIBOR \| ESJ JV
Related Party Transaction [Line Items]
Variable percentage rate		1.96%
Related party transaction rate		2.11%
LIBOR \| TAG Pipeline Norte JV
Related Party Transaction [Line Items]
Variable percentage rate		2.90%
Related party transaction rate		3.16%
Sempra Infrastructure
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	(287,000,000)	$ (234,000,000)	(195,000,000)
Sempra Infrastructure \| ESJ JV
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - noncurrent	0	85,000,000	0
Accrued interest receivable		1,000,000
Sempra Infrastructure \| IMG JV
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - noncurrent	637,000,000	695,000,000	742,000,000
Due from affiliates, allowance for credit loss	1,000,000	3,000,000
Accrued interest receivable	2,000,000	2,000,000
Total facility	691,000,000			$ 14,200,000,000
Sempra Infrastructure \| Due From Sempra Mexico
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - noncurrent	637,000,000	780,000,000	742,000,000
Sempra Infrastructure \| TAG Pipeline Norte JV
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	0	0	(39,000,000)
Sempra Infrastructure \| TAG Pipeline Norte JV \| Other Long term Debt Currently Through December 2021
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	0	(41,000,000)	0
Sempra Infrastructure \| TAG Pipeline Norte JV \| Other Long term Debt Currently Through January 2024
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	$ (69,000,000)	(68,000,000)	0
Stated percentage rate	5.50%			5.50%
Sempra Infrastructure \| TAG Pipeline Norte JV \| Five Point Five Notes Due January 2025
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	$ (21,000,000)	0	0
Stated percentage rate	5.50%			5.50%
Sempra Infrastructure \| TAG Pipeline Norte JV \| Five Point Five Notes Due July 2025
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	$ (20,000,000)	0	0
Stated percentage rate	5.50%			5.50%
Sempra Infrastructure \| TAG JV Notes
Related Party Transaction [Line Items]
Due to unconsolidated affiliates, noncurrent	$ (177,000,000)	(166,000,000)	(156,000,000)
Stated percentage rate	5.74%			5.74%
Sempra Infrastructure \| Interbank Equilibrium Rate \| IMG JV
Related Party Transaction [Line Items]
Variable percentage rate	2.20%
Related party transaction rate	8.06%
San Diego Gas and Electric Company [Member]
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	$ (97,000,000)	(64,000,000)	(53,000,000)
Total facility	1,500,000,000
San Diego Gas and Electric Company [Member] \| Due to/from Sempra Energy
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	(40,000,000)	(38,000,000)	(37,000,000)
Income taxes due (from) Sempra Energy	19,000,000	0	130,000,000
San Diego Gas and Electric Company [Member] \| Due to/from SoCalGas
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	(48,000,000)	(21,000,000)	(10,000,000)
San Diego Gas and Electric Company [Member] \| Due to/from Various Affiliates
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	(9,000,000)	(5,000,000)	(6,000,000)
SoCalGas
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current	49,000,000	22,000,000	11,000,000
Due to unconsolidated affiliates - current	(36,000,000)	(31,000,000)	(47,000,000)
Total facility	750,000,000
SoCalGas \| Due to/from Sempra Energy
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	(36,000,000)	(31,000,000)	(45,000,000)
Income taxes due (from) Sempra Energy	6,000,000	(37,000,000)	152,000,000
SoCalGas \| Due to/from Various Affiliates
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current	1,000,000	1,000,000	1,000,000
SoCalGas \| Due to/from SDGE
Related Party Transaction [Line Items]
Due from unconsolidated affiliates - current	48,000,000	21,000,000	10,000,000
SoCalGas \| Other related parties
Related Party Transaction [Line Items]
Due to unconsolidated affiliates - current	$ 0	$ 0	$ (2,000,000)