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v3.22.2.2

Benefit Plans | 9 Months Ended
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Sep. 30, 2022
Retirement Benefits [Abstract] |
Benefit Plans | Benefit Plans The Company has several non-contributory defined benefit plans and postretirement benefit plans covering eligible employees and retirees. The following tables present the components of net periodic (benefit) cost for the defined benefit plans:
| Pension Benefits |  |
| Three Months Ended |  |  |  | Nine Months Ended |  |
| September 30, |  |  |  | September 30, |  |
| 2022 |  | 2021 |  |  |  | 2022 |  | 2021 |  |
(In millions) |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 1 |  |  | $ | 1 |  |  |  |  | $ | 2 |  |  | $ | 2 |  |  |
Interest cost | 20 |  |  | 17 |  |  |  |  | 57 |  |  | 53 |  |  |
Expected return on plan assets | (41) |  |  | (41) |  |  |  |  | (124) |  |  | (127) |  |  |
Amortization of unrecognized net loss | 8 |  |  | 12 |  |  |  |  | 24 |  |  | 37 |  |  |
Settlements |  |  |  |  |  |  | 2 |  |  | 2 |  |  |
Regulatory asset (increase) decrease | (1) |  |  | 1 |  |  |  |  | 1 |  |  | 1 |  |  |
Net periodic benefit | $ | (13) |  |  | $ | (10) |  |  |  |  | $ | (38) |  |  | $ | (32) |  |  |
| Other Postretirement Benefits |  |
| Three Months Ended |  |  |  | Nine Months Ended |  |
| September 30, |  |  |  | September 30, |  |
| 2022 |  | 2021 |  |  |  | 2022 |  | 2021 |  |
(In millions) |  |  |  |  |  |  |  |  |  |  |
Interest cost |  |  |  |  |  |  | $ | 1 |  |  | $ | 1 |  |  |
Expected return on plan assets |  |  | $ | (1) |  |  |  |  | (1) |  |  | (2) |  |  |
Net periodic benefit | $ | — |  |  | $ | (1) |  |  |  |  | $ | — |  |  | $ | (1) |  |  |

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