GENERAL INFORMATION AND OTHER FINANCIAL DATA - SHAREHOLDERS’ EQUITY AND NONCONTROLLING INTERESTS - OTHER NONCONTROLLING INTERESTS (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Noncontrolling Interest [Line Items]
Other noncontrolling interests	$ 5,000	$ 2,121	[1]
SI Partners | Sempra Infrastructure
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)	30.00%	30.00%
Other noncontrolling interests	$ 4,011	$ 2,060
SI Partners subsidiaries | Sempra Infrastructure
Noncontrolling Interest [Line Items]
Other noncontrolling interests	$ 989	$ 61
SI Partners subsidiaries | Sempra Infrastructure | Minimum
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)	0.10%	0.10%
SI Partners subsidiaries | Sempra Infrastructure | Maximum
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)	42.00%	16.60%

[1] Derived from audited financial statements.