COMMITMENTS, CONTINGENCIES AND GUARANTEES - LESSEE MATURITY ANALYSIS OF LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Operating leases
2026	$ 147
2027	143
2028	143
2029	147
2030	147
Thereafter	1,078
Total undiscounted lease payments	1,805
Less: imputed interest	(539)
Total lease liabilities	1,266	$ 1,110
Less: current lease liabilities	(90)	(91)
Long-term lease liabilities	1,176	1,019
Finance leases
2026	229
2027	227
2028	220
2029	212
2030	202
Thereafter	1,561
Total undiscounted lease payments	2,651
Less: imputed interest	(1,358)
Total lease liabilities	1,293	1,315
Less: current lease liabilities	(73)	(65)
Long-term debt and finance leases	1,220	1,250
Disposal Group Held-for-sale \| SI Partners
Operating leases
Disposal group, operating lease liability to be paid, year one	26
Disposal group, operating lease liability to be paid, year two	26
Disposal group, operating lease liability to be paid, year three	25
Disposal group, operating lease liability to be paid, year four	24
Disposal group, operating lease liability to be paid, year five	20
Disposal group, operating lease liability to be paid, after year five	261
Purchased-Power Agreements
Operating leases
2026	104
2027	104
2028	104
2029	104
2030	105
Thereafter	724
Less: current lease liabilities	(58)	(43)
Long-term lease liabilities	854	627
SDG&E
Operating leases
2026	128
2027	130
2028	125
2029	122
2030	121
Thereafter	780
Total undiscounted lease payments	1,406
Less: imputed interest	(352)
Total lease liabilities	1,054	802
Less: current lease liabilities	(85)	(68)
Long-term lease liabilities	969	734
Finance leases
2026	198
2027	197
2028	195
2029	192
2030	187
Thereafter	1,546
Total undiscounted lease payments	2,515
Less: imputed interest	(1,339)
Total lease liabilities	1,176	1,205
Less: current lease liabilities	(48)	(42)
Long-term debt and finance leases	1,128	1,163
SDG&E \| Purchased-Power Agreements
Operating leases
2026	104
2027	104
2028	104
2029	104
2030	105
Thereafter	724
Less: current lease liabilities	(58)	(43)
Long-term lease liabilities	854	627
SoCalGas
Operating leases
2026	6
2027	0
2028	5
2029	12
2030	12
Thereafter	161
Total undiscounted lease payments	196
Less: imputed interest	(129)
Total lease liabilities	67	17
Less: current lease liabilities	0	(8)
Long-term lease liabilities	67	9
Finance leases
2026	31
2027	30
2028	25
2029	20
2030	15
Thereafter	15
Total undiscounted lease payments	136
Less: imputed interest	(19)
Total lease liabilities	117	110
Less: current lease liabilities	(25)	(23)
Long-term debt and finance leases	$ 92	$ 87

Disposal Group, Including Discontinued Operation, Lessee, Operating Lease, Liability, To Be Paid, After Year Five

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Disposal Group, Including Discontinued Operation, Lessee, Operating Lease, Liability, To Be Paid, Year Five

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Disposal Group, Including Discontinued Operation, Lessee, Operating Lease, Liability, To Be Paid, Year Four

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Disposal Group, Including Discontinued Operation, Lessee, Operating Lease, Liability, To Be Paid, Year One

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- Definition

Disposal Group, Including Discontinued Operation, Lessee, Operating Lease, Liability, To Be Paid, Year Three

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Disposal Group, Including Discontinued Operation, Lessee, Operating Lease, Liability, To Be Paid, Year Two

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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