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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | $ 28,675 |  |
Total other comprehensive income, net of tax amount, attributable to parent | (16) | $ 31 | $ 174
Ending balance | 31,222 | 28,675 |
AOCI associated with noncontrolling interests | 11 | (28) | 54
SDG&E |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | 9,902 |  |
Total other comprehensive income, net of tax amount, attributable to parent | (4) | (1) | 3
Ending balance | 10,564 | 9,902 |
SoCalGas |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | 7,410 | 6,698 | 5,442
Total other comprehensive income, net of tax amount, attributable to parent | (4) | 1 | 7
Ending balance | 8,161 | 7,410 | 6,698
Accumulated other comprehensive income (loss) |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (150) | (135) | (318)
OCI before reclassifications | 3 | 47 | 146
Amounts reclassified from AOCI | (19) | (62) | 37
Total other comprehensive income, net of tax amount, attributable to parent | (16) | (15) | 183
Ending balance | (166) | (150) | (135)
Accumulated other comprehensive income (loss) | SDG&E |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (8) | (7) | (10)
OCI before reclassifications | (3) | (2) | 2
Amounts reclassified from AOCI | (1) | 1 | 1
Total other comprehensive income, net of tax amount, attributable to parent | (4) | (1) | 3
Ending balance | (12) | (8) | (7)
Accumulated other comprehensive income (loss) | SoCalGas |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (23) | (24) | (31)
OCI before reclassifications | (5) | (1) | 4
Amounts reclassified from AOCI | 1 | 2 | 3
Total other comprehensive income, net of tax amount, attributable to parent | (4) | 1 | 7
Ending balance | (27) | (23) | (24)
Foreign currency translation adjustments |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (36) | (59) | (79)
OCI before reclassifications | (30) | 23 | 10
Amounts reclassified from AOCI | 0 | 0 | 10
Total other comprehensive income, net of tax amount, attributable to parent | (30) | 23 | 20
Ending balance | (66) | (36) | (59)
AOCI associated with noncontrolling interests |  |  | 9
Financial instruments |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | 3 | 10 | (156)
OCI before reclassifications | 34 | 59 | 147
Amounts reclassified from AOCI | (22) | (66) | 19
Total other comprehensive income, net of tax amount, attributable to parent | 12 | (7) | 166
Ending balance | 15 | 3 | 10
AOCI associated with noncontrolling interests |  | (46) |
Financial instruments | SoCalGas |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (11) | (12) | (13)
OCI before reclassifications | 0 | 0 | 0
Amounts reclassified from AOCI | 1 | 1 | 1
Total other comprehensive income, net of tax amount, attributable to parent | 1 | 1 | 1
Ending balance | (10) | (11) | (12)
Pension and PBOP |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (117) | (86) | (83)
OCI before reclassifications | (1) | (35) | (11)
Amounts reclassified from AOCI | 3 | 4 | 8
Total other comprehensive income, net of tax amount, attributable to parent | 2 | (31) | (3)
Ending balance | (115) | (117) | (86)
Pension and PBOP | SDG&E |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (8) | (7) | (10)
OCI before reclassifications | (3) | (2) | 2
Amounts reclassified from AOCI | (1) | 1 | 1
Total other comprehensive income, net of tax amount, attributable to parent | (4) | (1) | 3
Ending balance | (12) | (8) | (7)
Pension and PBOP | SoCalGas |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (12) | (12) | (18)
OCI before reclassifications | (5) | (1) | 4
Amounts reclassified from AOCI | 0 | 1 | 2
Total other comprehensive income, net of tax amount, attributable to parent | (5) | 0 | 6
Ending balance | $ (17) | $ (12) | $ (12)

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