COMMITMENTS AND CONTINGENCIES - LEASES THAT HAVE NOT YET COMMENCED (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)
San Diego Gas and Electric Company
Lessee, Lease, Description [Line Items]
Lease not yet commenced, due in 2023	$ 12
Lease not yet commenced, due in 2024	15
Lease not yet commenced, due in 2025	15
Lease not yet commenced, due in 2026	15
Lease not yet commenced, due in 2027	15
Lease not yet commenced, due thereafter	78
SoCalGas
Lessee, Lease, Description [Line Items]
Lease not yet commenced, due in 2023	1
Lease not yet commenced, due in 2024	2
Lease not yet commenced, due in 2025	2
Lease not yet commenced, due in 2026	2
Lease not yet commenced, due in 2027	2
Lease not yet commenced, due thereafter	$ 9

Lessee, Operating Lease, Lease Not Yet Commenced, Payments, Thereafter

No definition available.

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- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Payments, Year Five

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Payments, Year Four

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Payments, Year One

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Payments, Year Three

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Payments, Year Two

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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