v3.20.4

Postretirement Benefit Plans - Narrative (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 USD ($) company individual | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Amount included in statement of operations |  | $ 103 | $ 98 | $ 105
Defined contribution plans |  | 47 | 47 | 49
PME multi-employer plans |  | 29 | 27 | 30
Total (benefit) cost of defined-benefit plans |  | $ 27 | $ 24 | 26
Decrease to discount rate |  | 0.40% | 0.80% |
Pension plan assets |  | $ 224 |  |
Employer contribution to defined-benefit pension plans |  | 9 |  |
Unfunded Defined Benefit Pension Plan Expected Future Benefit Payments Next Fiscal Year |  | 10 |  |
German and Japanese |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Pension plan assets |  | 195 |  |
Other Postretirement Benefits Plan |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Accumulated benefit obligation for all Company-dedicated benefit pension plans |  | $ 6 | $ 9 |
PME Multiemployer Plan [Member] |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Number of companies | company |  | 1,390 |  |
Number of employees participated in plan | individual |  | 626,000 |  |
PME Contribution rate |  | 26.41% |  |
PME Multiemployer Plan [Member] | Forecast |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
PME Contribution rate | 27.59% |  |  |
Pension Plan |  |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |  |
Underfunded (including unfunded) pension plans |  | $ (566) | (462) |
Pension plan assets |  | 224 | 203 | $ 201
Accumulated benefit obligation for all Company-dedicated benefit pension plans |  | $ 755 | $ 621 |

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