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United Kingdom Energy Crisis and Impairment Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
Goodwill and Intangible Asset Impairment |  |  |  |  |  | $ 495 |  | $ 258 | $ 521
U.K. long-lived and intangible asset impairment |  |  | $ 87 |  |  | 236 | $ 0 | 239 | 236
U.K. goodwill impairment |  |  |  |  | $ 26 | $ 259 | 0 | 0 | 285
Restructuring, Settlement and Impairment Provisions |  |  |  | $ 162 |  |  |  |  |
Asset Impairment Charges |  |  |  | 152 |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | 15 |  |  |  |  |  |
Additional Impairment of Intangible Assets, Finite-Lived During Period |  |  |  | 0 | $ 0 |  |  |  |
Asset Retirement Obligation | $ 6 | $ 6 |  |  |  |  | 6 | 6 |
U.K. operations restructuring |  |  |  |  |  |  | $ 10 | 19 | 0
Customer relationships |  |  |  |  |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
U.K. long-lived and intangible asset impairment |  |  | 6 |  |  |  |  |  | $ 50
Personal property tax agreement |  |  |  |  |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | 9 | 8 |  |  |  |  |
Ince Facility |  |  |  |  |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of |  |  |  | 135 |  |  |  |  |
Asset Retirement Obligation, Period Increase (Decrease) | $ 6 |  |  | 9 |  |  |  |  |
Severance Costs |  | 1 | 8 | 10 |  |  |  |  |
Asset Retirement Obligation |  | 6 |  |  |  |  |  | 6 |
Ince Facility | Contract Termination |  |  |  |  |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
Restructuring Reserve |  | $ 2 |  |  |  |  |  | $ 2 |
Ince Facility | Raw Material and Spare Parts |  |  |  |  |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
Asset Impairment Charges |  |  |  | 9 |  |  |  |  |
UNITED KINGDOM |  |  |  |  |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of |  |  | $ 69 | $ 135 |  |  |  |  |

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