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GENERAL INFORMATION AND OTHER FINANCIAL DATA - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance | [1] |  |  | $ 28,675 |  |
Total other comprehensive income (loss), net of tax amount, attributable to parent |  | $ (64) | $ 107 | (35) |  | $ 121
Ending balance |  | 29,703 |  | 29,703 |  |
AOCI associated with noncontrolling interests |  | (176) | 202 | (13) |  | 212
Total accumulated other comprehensive income (loss) |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (121) | (121) | (150) |  | (135)
OCI before reclassifications |  | (61) | 111 | (25) |  | 132
Amounts reclassified from AOCI |  | (3) | (50) | (10) |  | (57)
Total other comprehensive income (loss), net of tax amount, attributable to parent |  | (64) | 61 | (35) |  | 75
Ending balance |  | (185) | (60) | (185) |  | (60)
Foreign currency translation adjustments |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (49) | (38) | (36) |  | (59)
OCI before reclassifications |  | (12) | (5) | (25) |  | 16
Amounts reclassified from AOCI |  | 0 | 0 | 0 |  | 0
Total other comprehensive income (loss), net of tax amount, attributable to parent |  | (12) | (5) | (25) |  | 16
Ending balance |  | (61) | (43) | (61) |  | (43)
Financial instruments |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 35 | 14 | 3 |  | 10
OCI before reclassifications |  | (49) | 116 | (1) |  | 129
Amounts reclassified from AOCI |  | (5) | (51) | (21) |  | (60)
Total other comprehensive income (loss), net of tax amount, attributable to parent |  | (54) | 65 | (22) |  | 69
Ending balance |  | (19) | 79 | (19) |  | 79
AOCI associated with noncontrolling interests |  |  | (46) |  |  | (46)
Pension and PBOP |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (107) | (97) | (117) |  | (86)
OCI before reclassifications |  | 0 | 0 | 1 |  | (13)
Amounts reclassified from AOCI |  | 2 | 1 | 11 |  | 3
Total other comprehensive income (loss), net of tax amount, attributable to parent |  | 2 | 1 | 12 |  | (10)
Ending balance |  | (105) | (96) | (105) |  | (96)
SDG&E |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 10,311 | 9,509 | 9,902 | [1] | 9,067
Ending balance |  | 10,347 | 9,683 | 10,347 |  | 9,683
SDG&E | Total accumulated other comprehensive income (loss) |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (8) | (7) | (8) |  | (7)
Ending balance |  | (8) | (7) | (8) |  | (7)
SDG&E | Pension and PBOP |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (8) | (7) | (8) |  | (7)
Ending balance |  | (8) | (7) | (8) |  | (7)
SoCalGas |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | 7,901 | 7,215 | 7,410 | [1] | 6,698
Total other comprehensive income (loss), net of tax amount, attributable to parent |  |  | 0 | 2 |  | 2
Ending balance |  | 7,887 | 7,231 | 7,887 |  | 7,231
SoCalGas | Total accumulated other comprehensive income (loss) |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (21) | (22) | (23) |  | (24)
Amounts reclassified from AOCI |  |  |  | 2 |  | 2
Total other comprehensive income (loss), net of tax amount, attributable to parent |  |  |  | 2 |  | 2
Ending balance |  | (21) | (22) | (21) |  | (22)
SoCalGas | Financial instruments |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (10) | (11) | (11) |  | (12)
Amounts reclassified from AOCI |  |  |  | 1 |  | 1
Total other comprehensive income (loss), net of tax amount, attributable to parent |  |  |  | 1 |  | 1
Ending balance |  | (10) | (11) | (10) |  | (11)
SoCalGas | Pension and PBOP |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (11) | (11) | (12) |  | (12)
Amounts reclassified from AOCI |  |  |  | 1 |  | 1
Total other comprehensive income (loss), net of tax amount, attributable to parent |  |  |  | 1 |  | 1
Ending balance |  | $ (11) | $ (11) | $ (11) |  | $ (11)
[1] | Derived from audited financial statements.

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