v3.22.0.1

Restructuring and Other Charges - Narrative (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) segment | Dec. 31, 2020 USD ($) employee segment | Dec. 31, 2019 USD ($) | Dec. 31, 2019 segment | Dec. 31, 2019 employee
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | $ 624 | $ 188 | $ 87 |  |
Cash payments, restructuring | 15 | 27 | 15 |  |
Layoff costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Cash payments, restructuring | 10 | 24 | 12 |  |
Allocated costs, ParentCo |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | 2 | 7 |  |
Other Items |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Cash payments, restructuring | 5 | $ 3 | 3 |  |
2019 Restructuring Programs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | 87 |  |
Expected number of employees separated |  | 370 |  | 480 | 480
2019 Restructuring Programs | Rolled Products |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected number of employees separated | employee |  |  |  |  | 240
2019 Restructuring Programs | Building and Construction Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected number of employees separated | employee |  |  |  |  | 190
2019 Restructuring Programs | Extrusions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected number of employees separated | employee |  |  |  |  | 50
2019 Restructuring Programs | Disposals | Texarkana Rolling Mill and Cast House |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | (20) |  |
2019 Restructuring Programs | Layoff costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | 30 |  |
Cash payments, restructuring | $ 3 | $ 9 | 11 |  |
2019 Restructuring Programs | Allocated costs, ParentCo |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | 7 |  |
2019 Restructuring Programs | Other Items |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | 7 |  |
2019 Restructuring Programs | Asset Impairments | Aluminum Rolling Mill in Brazil |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | 53 |  |
2019 Restructuring Programs | Impairment of Carrying Value of Tradename |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | $ 10 |  |
2020 Restructuring Programs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | $ 188 |  |  |
Expected number of employees separated | segment | 500 | 550 |  |  |
2020 Restructuring Programs | Building and Construction System and Extrustions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected number of employees separated | employee |  | 90 |  |  |
2020 Restructuring Programs | COVID-19 |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected number of employees separated | employee |  | 460 |  |  |
2020 Restructuring Programs | Settlement of Certain Employee Retirement Benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | $ 584 | $ 199 |  |  |
2020 Restructuring Programs | Contingent Consideration Related to Disposal | Texarkana Rolling Mill and Cast House |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | (25) |  |  |
2020 Restructuring Programs | Disposals | Extrusions Plant in South Korea and Aluminum Rolling Mill in Brazil |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | (25) |  |  |
2020 Restructuring Programs | Costs Related to Planned Closures and Related Organizations | Building and Construction System and Extrustions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | 21 |  |  |
2020 Restructuring Programs | Layoff costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Cash payments, restructuring | 5 | 15 |  |  |
2020 Restructuring Programs | Layoff costs | Building and Construction System and Extrustions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | 5 |  |  |
2020 Restructuring Programs | Layoff costs | COVID-19 |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | 18 |  |  |
2020 Restructuring Programs | Reversal of Reserve |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | (14) |  |  |
2020 Restructuring Programs | Reversal of Reserve, Environmental Matter |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | (5) |  |  |
2020 Restructuring Programs | Legacy Non-Income Tax Matters in Brazil |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | 4 |  |  |
2020 Restructuring Programs | Allocated costs, ParentCo |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | 2 |  |  |
2020 Restructuring Programs | Other Items |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  | $ 8 |  |  |
2021 Restructuring Programs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | $ 624 |  |  |  |
2021 Restructuring Programs | Extrusions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Number of employees separated | segment | 115 |  |  |  |
2021 Restructuring Programs | Settlement of Certain Employee Retirement Benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | $ 584 |  |  |  |
2021 Restructuring Programs | Disposals | Aluminum Rolling Mill in Itapissuma, Brazil |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | 1 |  |  |  |
2021 Restructuring Programs | Costs Related to Planned Closures and Related Organizations |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | 34 |  |  |  |
2021 Restructuring Programs | Layoff costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Cash payments, restructuring | 2 |  |  |  |
2021 Restructuring Programs | Reversal of Reserve |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | 4 |  |  |  |
2021 Restructuring Programs | Other Items |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | 2 |  |  |  |
2021 Restructuring Programs | Idling of Operations | Extrusions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | 7 |  |  |  |
2021 Restructuring Programs | Legacy Tax Matters |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | 4 |  |  |  |
2021 Restructuring Programs | Legal Matters, Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges | $ 4 |  |  |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585 + Details
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