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EMPLOYEE BENEFIT PLANS - NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OCI (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Pension Plan |  |  |
NET PERIODIC BENEFIT COST |  |  |
Service cost | $ 132 | $ 109 | $ 146
Interest cost | 166 | 157 | 118
Expected return on plan assets | (178) | (169) | (183)
Prior service cost (credit) | 5 | 5 | 10
Actuarial loss (gain) | 14 | 10 | 25
Settlement charges | 9 | 0 | 28
Net periodic benefit cost (credit) | 148 | 112 | 144
Regulatory adjustment | 100 | 117 | 84
Total expense (income) recognized | 248 | 229 | 228
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI |  |  |
Net (gain) loss | (2) | 42 | 12
Prior service cost | 3 | 4 | 0
Amortization of actuarial (loss) gain | (7) | (5) | (8)
Amortization of prior service cost | (3) | (2) | (4)
Settlements | (9) | 0 | 0
Total recognized in OCI | (18) | 39 | 0
Total recognized in net periodic benefit cost and OCI | 230 | 268 | 228
Pension Plan | SDG&E |  |  |
NET PERIODIC BENEFIT COST |  |  |
Service cost | 39 | 32 | 37
Interest cost | 43 | 40 | 26
Expected return on plan assets | (45) | (39) | (46)
Prior service cost (credit) | 1 | 1 | 1
Actuarial loss (gain) | 8 | 4 | 1
Settlement charges | 0 | 0 | 14
Net periodic benefit cost (credit) | 46 | 38 | 33
Regulatory adjustment | (8) | 15 | 20
Total expense (income) recognized | 38 | 53 | 53
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI |  |  |
Net (gain) loss | 4 | 3 | (3)
Amortization of actuarial (loss) gain | (1) | 0 | (1)
Amortization of prior service cost | 0 | (1) | 0
Total recognized in OCI | 3 | 2 | (4)
Total recognized in net periodic benefit cost and OCI | 41 | 55 | 49
Pension Plan | SoCalGas |  |  |
NET PERIODIC BENEFIT COST |  |  |
Service cost | 79 | 65 | 96
Interest cost | 105 | 101 | 81
Expected return on plan assets | (121) | (119) | (126)
Prior service cost (credit) | 4 | 4 | 8
Actuarial loss (gain) | 1 | 1 | 18
Settlement charges | 0 | 0 | 14
Net periodic benefit cost (credit) | 68 | 52 | 91
Regulatory adjustment | 108 | 102 | 64
Total expense (income) recognized | 176 | 154 | 155
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI |  |  |
Net (gain) loss | 4 | 2 | (5)
Prior service cost | 2 | 0 | 0
Amortization of actuarial (loss) gain | (1) | (1) | (2)
Amortization of prior service cost | (1) | (1) | (1)
Total recognized in OCI | 4 | 0 | (8)
Total recognized in net periodic benefit cost and OCI | 180 | 154 | 147
Other Postretirement Benefits Plan |  |  |
NET PERIODIC BENEFIT COST |  |  |
Service cost | 15 | 13 | 23
Interest cost | 36 | 37 | 28
Expected return on plan assets | (70) | (69) | (64)
Prior service cost (credit) | (2) | (2) | (2)
Actuarial loss (gain) | (17) | (23) | (15)
Settlement charges | 0 | 0 | 0
Net periodic benefit cost (credit) | (38) | (44) | (30)
Regulatory adjustment | 38 | 43 | 30
Total expense (income) recognized | 0 | (1) | 0
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI |  |  |
Net (gain) loss | (1) | (2) | (4)
Prior service cost | 0 | 0 | 0
Amortization of actuarial (loss) gain | 1 | 2 | 1
Amortization of prior service cost | 0 | 0 | 0
Settlements | 0 | 0 | 0
Total recognized in OCI | 0 | 0 | (3)
Total recognized in net periodic benefit cost and OCI | 0 | (1) | (3)
Other Postretirement Benefits Plan | SDG&E |  |  |
NET PERIODIC BENEFIT COST |  |  |
Service cost | 3 | 3 | 5
Interest cost | 7 | 8 | 6
Expected return on plan assets | (9) | (8) | (10)
Prior service cost (credit) | 0 | 0 | 0
Actuarial loss (gain) | (1) | (2) | (2)
Settlement charges | 0 | 0 | 0
Net periodic benefit cost (credit) | 0 | 1 | (1)
Regulatory adjustment | 0 | 0 | 1
Total expense (income) recognized | 0 | 1 | 0
Other Postretirement Benefits Plan | SoCalGas |  |  |
NET PERIODIC BENEFIT COST |  |  |
Service cost | 11 | 9 | 17
Interest cost | 27 | 28 | 21
Expected return on plan assets | (59) | (59) | (53)
Prior service cost (credit) | (3) | (2) | (2)
Actuarial loss (gain) | (14) | (19) | (12)
Settlement charges | 0 | 0 | 0
Net periodic benefit cost (credit) | (38) | (43) | (29)
Regulatory adjustment | 38 | 43 | 29
Total expense (income) recognized | $ 0 | $ 0 | $ 0

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