GENERAL INFORMATION AND OTHER FINANCIAL DATA - SHAREHOLDERS’ EQUITY AND NONCONTROLLING INTERESTS NARRATIVE (Details) $ / shares in Units, $ in Millions					1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 02, 2023 shares	Mar. 20, 2023 USD ($)	Apr. 06, 2022 USD ($) $ / shares shares	Jan. 11, 2022 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) shares	Jun. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($) shares	May 12, 2023 shares	May 11, 2023 shares	Dec. 31, 2022 shares	Dec. 21, 2021 USD ($)	Oct. 01, 2021 USD ($)
Noncontrolling Interest [Line Items]
Common stock, shares authorized (in shares) | shares	1,125,000,000				1,125,000,000		1,125,000,000		1,125,000,000		1,125,000,000	750,000,000	1,125,000,000
Stock split, conversion ratio	2
Stock dividend (in percent)	100.00%
Increase in equity							$ 496	$ 2	$ 1,091	$ 15
Increase in shareholders' equity							986	$ 1	1,241	$ 1,419
Port Arthur LNG
Noncontrolling Interest [Line Items]
Increase in equity		$ 234
SI Partners
Noncontrolling Interest [Line Items]
Increase in shareholders' equity							200
Sale of noncontrolling interest, change in equity							145
Sempra Infrastructure | SI Partners
Noncontrolling Interest [Line Items]
Increase in shareholders' equity						$ 709
Sale of noncontrolling interest, change in equity						710
Sale of noncontrolling interest, transaction costs						12
Reduction to deferred income tax liability						300
Sale of noncontrolling interest, transaction costs reimbursed						$ 10
KKR Denali | Port Arthur LNG
Noncontrolling Interest [Line Items]
Increase in equity					$ 1,100
Increase in shareholders' equity					56
Sale of noncontrolling interest, transaction costs					11
Sale of noncontrolling interest, tax expense (tax benefit)					(22)
Indirect Subsidiary Of SI Partners | Port Arthur LNG
Noncontrolling Interest [Line Items]
Cash consideration		254
Increase in shareholders' equity		12
Sale of noncontrolling interest, transaction costs		3
Sale of noncontrolling interest, tax expense (tax benefit)		5
Funding commitment, aggregate amount		$ 9,000
KKR | SI Partners
Noncontrolling Interest [Line Items]
Funding commitment, aggregate amount															$ 200
Funding used							14		200
SI Partners | KKR Denali | Port Arthur LNG
Noncontrolling Interest [Line Items]
Cash consideration for minimum amount of interest transferred					984		$ 984		$ 984
Share of development costs incurred, threshold					$ 439
Port Arthur LNG | Indirect Subsidiary Of SI Partners
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)		30.00%
Funding commitment (in percent)		110.00%
Guaranteed funding amount (in percent)		70.00%
Port Arthur LNG | SI Partners | KKR Denali
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)					42.00%		42.00%		42.00%
Port Arthur LNG | Minimum | KKR Denali
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)					19.60%		19.60%		19.60%
SI Partners | Sempra Infrastructure
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)					30.00%		30.00%		30.00%				30.00%
SI Partners | Abu Dhabi Investment Authority
Noncontrolling Interest [Line Items]
Sale of noncontrolling interest (as a percent)														10.00%
Sale of noncontrolling interest, aggregate purchase price														$ 1,700
SI Partners | KKR
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)														20.00%	20.00%
SI Partners | Abu Dhabi Investment Authority
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)														10.00%
SI Partners | Sempra
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)														70.00%
SI Partners subsidiaries | Minimum | Sempra Infrastructure
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)					0.10%		0.10%		0.10%				0.10%
SI Partners subsidiaries | Maximum | Sempra Infrastructure
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)					42.00%		42.00%		42.00%				16.60%
Common stock
Noncontrolling Interest [Line Items]
Share repurchase program, number of shares repurchased (in shares) | shares			2,943,914	2,945,512					411,447	404,806
Common stock repurchased									$ 32	$ 28
Accelerated share repurchase program, prepaid amount			$ 250	$ 200
Common stock repurchased, average price (in dollars per share) | $ / shares			$ 84.92	$ 67.90