COMMITMENTS AND CONTINGENCIES - LESSOR INFORMATION (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessor, Lease, Description [Line Items]
Property, plant and equipment		$ 72,495	$ 63,893
Accumulated depreciation		(17,535)	(16,111)
Operating leases
2024		363
2025		354
2026		298
2027		295
2028		293
Thereafter		2,802
Total undiscounted cash flows		4,405
Fixed lease payments		321	290	$ 256
Variable lease payments		34	10	10
Total revenues from operating leases		$ 355	300	266
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]		Unregulated Operating Revenue
Depreciation expense		$ 2,202	1,995	1,833
Sales-type leases
2024		17
2025		17
2026		9
2027		0
2028		0
Thereafter		0
Total undiscounted cash flows		43
Less: present value of lease payments (recognized as lease receivable)		(40)
Difference between undiscounted cash flows and discounted cash flows		3
Income recognized at lease commencement		0	0	18
Interest income		6	8	4
Total revenues from sales-type lease		6	8	22
Other Current Assets
Sales-type leases
Less: present value of lease payments (recognized as lease receivable)		(12)
Other long-term assets
Sales-type leases
Less: present value of lease payments (recognized as lease receivable)		(28)
Sempra Infrastructure
Lessor, Lease, Description [Line Items]
Carrying value	$ 44
Net investment in lease	62
Selling profit	$ 18
Renewal term (in years)	5 years
Lease payment term (in years)	5 years
Pipelines and storage
Lessor, Lease, Description [Line Items]
Property, plant and equipment		1,304	1,026
Refined products terminals
Lessor, Lease, Description [Line Items]
Property, plant and equipment		621	611
Other
Lessor, Lease, Description [Line Items]
Property, plant and equipment		77	76
Lease assets
Lessor, Lease, Description [Line Items]
Property, plant and equipment		2,002	1,713
Accumulated depreciation		(539)	(330)
Property, plant and equipment, net		1,463	1,383
Operating leases
Depreciation expense		$ 62	$ 54	$ 48