Post-Employment Benefits - Weighted-Average Assumptions Used in Determining Benefit Obligation at Measurement Date (Details) |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Defined benefit plans | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Discount rate | 2.80% | 2.40% |
| Rate of compensation increases | 5.20% | 4.60% |
| Cash balance interest crediting rate | 2.70% | 2.80% |
| Other post-employment plans | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Discount rate | 3.10% | 2.80% |