Other (Income) Expense - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Schedule Of Other Income and Expenses [Line Items] | ||||
| Pension settlement (credit) charge | $ 68 | $ 72 | ||
| Royalty and other income | $ 15 | 17 | $ 56 | 43 |
| Off-The-Road ("OTR") Tire Business, Dunlop And Chemical | ||||
| Schedule Of Other Income and Expenses [Line Items] | ||||
| Royalty and other income | $ 12 | $ 13 | $ 41 | $ 26 |