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Income Tax (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Income Tax - Narrative [Line Items] |  |  |  |
Income tax expense (benefit) | $ 74 | $ 70 | $ 285 | $ 143
FRANCE |  |  |  |
Income Tax - Narrative [Line Items] |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease) |  |  | 40 |
UNITED KINGDOM |  |  |  |
Income Tax - Narrative [Line Items] |  |  |  |
Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability |  | $ 8 |  | 8
INDIA |  |  |  |
Income Tax - Narrative [Line Items] |  |  |  |
Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability |  |  |  | $ 4
cck_India_and_UK |  |  |  |
Income Tax - Narrative [Line Items] |  |  |  |
Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability |  |  | 8 |
European Tinplate |  |  |  |
Income Tax - Narrative [Line Items] |  |  |  |
Income tax expense (benefit) | $ 11 |  | $ 42 |

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