Schedule II — Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Allowance for doubtful accounts | |||||
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||||
| Balance at beginning of period | $ 84 | $ 102 | $ 112 | ||
| Charged (credited) to income | 18 | 15 | 7 | ||
| Charged (credited) to AOCL | 0 | 0 | 0 | ||
| Deductions from reserves | [1] | (19) | (27) | (19) | |
| Translation adjustment during period | 6 | (6) | 2 | ||
| Balance at end of period | 89 | 84 | 102 | ||
| Valuation allowance — deferred tax assets | |||||
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||||
| Balance at beginning of period | 1,252 | 1,275 | 1,072 | ||
| Charged (credited) to income | 1,407 | (24) | 202 | ||
| Charged (credited) to AOCL | (66) | 1 | 1 | ||
| Deductions from reserves | [1] | 0 | 0 | 0 | |
| Translation adjustment during period | 141 | 0 | 0 | ||
| Balance at end of period | $ 2,734 | $ 1,252 | $ 1,275 | ||
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