COMMITMENTS AND CONTINGENCIES - LESSEE MATURITY ANALYSIS OF LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating leases
2024	$ 97
2025	87
2026	85
2027	75
2028	69
Thereafter	587
Total undiscounted lease payments	1,000
Less: imputed interest	(331)
Total lease liabilities	669	$ 581
Less: current lease liabilities	(70)	(53)
Long-term lease liabilities	599	528
Finance leases
2024	225
2025	216
2026	213
2027	211
2028	204
Thereafter	1,930
Total undiscounted lease payments	2,999
Less: imputed interest	(1,659)
Total finance leases	1,340	1,343
Less: current lease liabilities	(64)	(57)
Long-term debt and finance leases	1,276	1,286
Purchased-Power Agreements
Operating leases
2024	27
2025	27
2026	27
2027	27
2028	27
Thereafter	143
Less: current lease liabilities	(18)	(8)
Long-term lease liabilities	208	118
SDG&E
Operating leases
2024	57
2025	48
2026	48
2027	47
2028	42
Thereafter	201
Total undiscounted lease payments	443
Less: imputed interest	(68)
Total lease liabilities	375	281
Less: current lease liabilities	(50)	(32)
Long-term lease liabilities	325	249
Finance leases
2024	198
2025	193
2026	193
2027	192
2028	190
Thereafter	1,911
Total undiscounted lease payments	2,877
Less: imputed interest	(1,644)
Total finance leases	1,233	1,256
Less: current lease liabilities	(41)	(39)
Long-term debt and finance leases	1,192	1,217
SDG&E | Purchased-Power Agreements
Operating leases
Less: current lease liabilities	(18)	(8)
Long-term lease liabilities	208	118
SoCalGas
Operating leases
2024	11
2025	9
2026	8
2027	0
2028	0
Thereafter	0
Total undiscounted lease payments	28
Less: imputed interest	0
Total lease liabilities	28	40
Less: current lease liabilities	(10)	(11)
Long-term lease liabilities	18	29
Finance leases
2024	27
2025	23
2026	20
2027	19
2028	14
Thereafter	19
Total undiscounted lease payments	122
Less: imputed interest	(15)
Total finance leases	107	87
Less: current lease liabilities	(23)	(18)
Long-term debt and finance leases	$ 84	$ 69