COMMITMENTS AND CONTINGENCIES - LESSOR INFORMATION (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessor, Lease, Description [Line Items]
Property, plant and equipment		$ 63,893	$ 58,940
Accumulated depreciation		(16,111)	(15,046)
Property, plant and equipment, net		47,782	43,894
Operating leases
2023		300
2024		300
2025		300
2026		300
2027		300
Thereafter		3,091
Total undiscounted cash flows		4,591
Fixed lease payments		290	256	$ 195
Variable lease payments		10	10	1
Total revenues from operating leases		$ 300	266	196
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]		Unregulated Operating Revenue
Depreciation expense		$ 1,995	1,833	1,646
Sales-type leases
2023		16
2024		17
2025		17
2026		9
2027		0
Thereafter		0
Total undiscounted cash flows		59
Present value of lease payments (recognized as lease receivable)		50
Difference between undiscounted cash flows and discounted cash flows		9
Income recognized at lease commencement		0	18	1
Interest income		8	4	1
Total revenues from sales-type lease		8	22	2
Other Current Assets [Member]
Sales-type leases
Present value of lease payments (recognized as lease receivable)		10
Other long-term assets(3)
Sales-type leases
Present value of lease payments (recognized as lease receivable)		40
Sempra Infrastructure
Lessor, Lease, Description [Line Items]
Carrying value	$ 44
Net investment in lease	62
Selling profit	$ 18
Pipelines and storage
Lessor, Lease, Description [Line Items]
Property, plant and equipment		1,026	1,018
Refined products terminals
Lessor, Lease, Description [Line Items]
Property, plant and equipment		611	405
Other
Lessor, Lease, Description [Line Items]
Property, plant and equipment		76	76
Lease assets
Lessor, Lease, Description [Line Items]
Property, plant and equipment		1,713	1,499
Accumulated depreciation		(330)	(276)
Property, plant and equipment, net		1,383	1,223
Operating leases
Depreciation expense		$ 54	$ 48	$ 39