Employee Benefits - Cash Flows Narrative (Details) - Pension Plan $ in Millions |
Dec. 31, 2024
USD ($)
|
|---|---|
| U.K. | |
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
| Expected employer contributions during next fiscal year | $ 2 |
| Other | |
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
| Expected employer contributions during next fiscal year | 10 |
| U.S. | |
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
| Expected employer contributions during next fiscal year | $ 76 |