Pension and Other Postretirement Healthcare Benefits - Narrative (Details) - Pensions - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Multiemployer Plans [Abstract] | ||||
| Employer contributions | $ 7 | |||
| Expected future employer contributions, remainder of fiscal year | $ 3 | 3 | ||
| Income Statement Location [Axis]: us-gaap:OtherCostOfOperatingRevenue | Foreign Plan | ||||
| Multiemployer Plans [Abstract] | ||||
| Multiemployer contribution amount | $ 1 | $ 1 | $ 1 | $ 3 |
| X | ||||||||||
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|