ACQUISITIONS AND DIVESTITURES - ACQUISITION ACTIVITY (Details) - Saavi Energia $ in Millions	Mar. 19, 2021 USD ($) MW	Mar. 18, 2021
Saavi Energia Asset Acquisition \| Sempra Infrastructure
Business Acquisition [Line Items]
Purchase price	$ 65
Cash acquired	14
Debt assumed	277
Related party note payable assumed	$ 94
Subsequent acquisition, percentage	100.00%
Equity interest in acquiree, fair value	$ 34
Assets acquired	458
Liabilities assumed	$ 345
Power generation facility, nameplate capacity (in MW) \| MW	155
Intangible assets acquired	$ 190
Intangible assets acquired, useful life	14 years
Second power generation facility, nameplate capacity (in MW) \| MW	108
ESJ
Business Acquisition [Line Items]
Ownership percentage	50.00%
ESJ \| Sempra Infrastructure
Business Acquisition [Line Items]
Ownership percentage		50.00%

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