Pension Plans and Other Postretirement Benefits Defined Benefit Plan Asset Target Allocation (Details) - Pension Plans |
Dec. 31, 2022 |
|---|---|
| Equity securities | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Target allocations percentage of assets | 41.00% |
| Fixed income | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Target allocations percentage of assets | 49.00% |
| Absolute return | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Target allocations percentage of assets | 10.00% |