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v3.21.2

Restructuring and Other Charges - Activity and Reserve Balances for Restructuring Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring reserve beginning balance |  |  | $ 54 |
Cash payments |  |  | (37) |
Restructuring charges | $ 8 | $ 22 | 22 | $ 166
Other |  |  | (23) |
Restructuring reserve ending balance | 16 |  | 16 |
Settlements | 3 | 3 | 9 | 67
Restructuring and other charges | 8 | 22 | 22 | 166
Pension benefits |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring charges | 3 | 8 | 9 | 10
Settlements | 3 | 8 | 9 | 72
Restructuring and other charges | 3 | 8 | 9 | $ 10
Layoff costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring reserve beginning balance |  |  | 54 |
Cash payments |  |  | (37) |
Restructuring charges |  | 17 | 10 |
Other |  |  | (11) |
Restructuring reserve ending balance | 16 |  | 16 |
Restructuring and other charges |  | $ 17 | 10 |
Other exit costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring reserve beginning balance |  |  | 0 |
Cash payments |  |  | 0 |
Restructuring charges |  |  | 12 |
Other |  |  | (12) |
Restructuring reserve ending balance | $ 0 |  | 0 |
Restructuring and other charges |  |  | 12 |
Other layoff costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring charges |  |  | 2 |
Restructuring and other charges |  |  | 2 |
Other exit costs, other |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring charges |  |  | 11 |
Restructuring and other charges |  |  | $ 11 |

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