Restructuring and Other Charges - Restructuring and Other Charges by Segment (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring and other charges | $ 624 | $ 188 | $ 87 |
| Segment total | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring and other charges | 6 | (24) | 81 |
| Corporate | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring and other charges | 618 | 212 | 6 |
| Rolled Products | Segment total | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring and other charges | 1 | (15) | 47 |
| Building and Construction Systems | Segment total | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring and other charges | (2) | 5 | 33 |
| Extrusions | Segment total | |||
| Restructuring Cost and Reserve [Line Items] | |||
| Restructuring and other charges | $ 7 | $ (14) | $ 1 |