Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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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 | $ 112 | $ 123 | $ 150 | ||
| Additions, charged (credited) to income | 7 | 16 | 5 | ||
| Additions, charged (credited) to AOCL | 0 | 0 | 0 | ||
| Deductions from reserves | [1] | (19) | (22) | (24) | |
| Translation adjustment during period | 2 | (5) | (8) | ||
| Balance at end of period | 102 | 112 | 123 | ||
| Valuation allowance — deferred tax assets | |||||
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||||
| Balance at beginning of period | 1,072 | 1,044 | 1,469 | ||
| Additions, charged (credited) to income | 202 | 35 | (418) | ||
| Additions, charged (credited) to AOCL | 1 | (7) | (7) | ||
| Deductions from reserves | [1] | 0 | 0 | 0 | |
| Translation adjustment during period | 0 | 0 | |||
| Balance at end of period | $ 1,275 | $ 1,072 | $ 1,044 | ||
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