Pensions and Other Postretirement Benefits (Foreign Currency Risk Exposure) (Details) - Pension Plan [Member] |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Canadian Dollar [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Currency risk percentage exposure | 57.00% |
| U.S. Dollar [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Currency risk percentage exposure | 28.00% |
| European Currencies [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Currency risk percentage exposure | 8.00% |
| Japanese Yen [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Currency risk percentage exposure | 2.00% |
| Various Other Currencies [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Currency risk percentage exposure | 5.00% |