v3.22.0.1

Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2021
Goodwill [Line Items] |  |  |  |
Goodwill | $ 415 | $ 418 | $ 414 |
Accumulated impairment losses | (93) | (28) | (28) |
Goodwill [Roll Forward] |  |  |  |
Goodwill, net - beginning balance | 390 | 386 |  |
Goodwill, Written off Related to Sale of Business Unit |  | 7 |  |
Translation | (3) | 11 |  |
Goodwill, Total | 322 | 390 | 386 |
Write-off of goodwill | (65) | 0 | 0 |
Goodwill and Intangible Asset Impairment | 65 | 0 | 0 |
Rolled Products |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 253 | 254 | 246 |
Accumulated impairment losses | 0 | 0 | 0 |
Goodwill [Roll Forward] |  |  |  |
Goodwill, net - beginning balance | 254 | 246 |  |
Goodwill, Written off Related to Sale of Business Unit |  | 1 |  |
Translation | (1) | 9 |  |
Goodwill, Total | 253 | 254 | 246 | $ 254
Write-off of goodwill | 0 |  |  |
Building and Construction Systems |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 97 | 99 | 97 |
Accumulated impairment losses | (28) | (28) | (28) |
Goodwill [Roll Forward] |  |  |  |
Goodwill, net - beginning balance | 71 | 69 |  |
Goodwill, Written off Related to Sale of Business Unit |  | 0 |  |
Translation | (2) | 2 |  |
Goodwill, Total | 69 | 71 | 69 | 70
Write-off of goodwill | 0 |  |  |
Extrusions |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 65 | 65 | 71 |
Accumulated impairment losses | (65) | 0 | 0 |
Goodwill [Roll Forward] |  |  |  |
Goodwill, net - beginning balance | 65 | 71 |  |
Goodwill, Written off Related to Sale of Business Unit |  | 6 |  |
Translation | 0 | 0 |  |
Goodwill, Total | 0 | $ 65 | $ 71 | $ 65
Write-off of goodwill | $ (65) |  |  |

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