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Pension and Other Postretirement Healthcare Benefits, Summary of Benefit Obligations and Plan Assets Associated with Benefit Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Change in plan assets: |  |  |  |
Fair value of plan assets, beginning of year |  | $ 519 |  |
Fair value of plan assets, end of year | $ 286 | 286 | $ 519 |
Classification of amounts recognized in the Consolidated Balance Sheets: |  |  |  |
Pension and postretirement healthcare benefits | (89) | (89) | (116) |
Pensions |  |  |  |
Change in benefit obligations: |  |  |  |
Service cost |  | 5 | 4 | $ 5
Interest cost |  | 14 | 14 | 17
Change in plan assets: |  |  |  |
Employer contributions |  | 6 |  |
Settlements | (20) |  |  |
Other Post Retirement Benefit Plans |  |  |  |
Change in benefit obligations: |  |  |  |
Service cost |  | 0 | 1 | 0
Interest cost |  | 2 | 2 | 1
U.S. operations | Pensions |  |  |  |
Change in benefit obligations: |  |  |  |
Benefit obligation, beginning of year |  | 369 | 399 |
Service cost |  | 0 | 0 |
Interest cost |  | 10 | 10 |
Net actuarial (gains) losses |  | (77) | (10) |
Curtailments |  | 0 | 0 |
Settlements |  | (81) | 0 |
Plan amendments |  | 0 | 0 |
Foreign currency rate changes |  | 0 | 0 |
Benefits paid |  | (22) | (30) |
Benefit obligation, end of year | 199 | 199 | 369 | 399
Change in plan assets: |  |  |  |
Fair value of plan assets, beginning of year |  | 337 | 344 |
Actual return on plan assets |  | (63) | 23 |
Employer contributions |  | 0 | 0 |
Benefits paid |  | (22) | (30) |
Foreign currency rate changes |  | 0 | 0 |
Settlements |  | (72) | 0 |
Fair value of plan assets, end of year | 180 | 180 | 337 | 344
Net underfunded status of plans | (19) | (19) | (32) |
Classification of amounts recognized in the Consolidated Balance Sheets: |  |  |  |
Other long-term assets | 0 | 0 | 0 |
Accrued liabilities | 0 | 0 | 0 |
Pension and postretirement healthcare benefits | (19) | (19) | (32) |
Total liabilities | (19) | (19) | (32) |
Accumulated other comprehensive (income) loss | 55 | 55 | 81 |
Total | 36 | 36 | 49 |
U.S. operations | Other Post Retirement Benefit Plans |  |  |  |
Change in benefit obligations: |  |  |  |
Benefit obligation, beginning of year |  | 2 | 2 |
Service cost |  | 0 | 0 |
Interest cost |  | 0 | 0 |
Net actuarial (gains) losses |  | (1) | 0 |
Curtailments |  | 0 | 0 |
Settlements |  | 0 | 0 |
Plan amendments |  | 0 | 0 |
Foreign currency rate changes |  | 0 | 0 |
Benefits paid |  | 0 | 0 |
Benefit obligation, end of year | 1 | 1 | 2 | 2
Change in plan assets: |  |  |  |
Fair value of plan assets, beginning of year |  | 0 | 0 |
Actual return on plan assets |  | 0 | 0 |
Employer contributions |  | 0 | 0 |
Benefits paid |  | 0 | 0 |
Foreign currency rate changes |  | 0 | 0 |
Settlements |  | 0 | 0 |
Fair value of plan assets, end of year | 0 | 0 | 0 | 0
Net underfunded status of plans | (1) | (1) | (2) |
Classification of amounts recognized in the Consolidated Balance Sheets: |  |  |  |
Other long-term assets | 0 | 0 | 0 |
Accrued liabilities | 0 | 0 | (1) |
Pension and postretirement healthcare benefits | (1) | (1) | (1) |
Total liabilities | (1) | (1) | (2) |
Accumulated other comprehensive (income) loss | 0 | 0 | 0 |
Total | (1) | (1) | (2) |
International | Pensions |  |  |  |
Change in benefit obligations: |  |  |  |
Benefit obligation, beginning of year |  | 234 | 252 |
Service cost |  | 4 | 4 |
Interest cost |  | 4 | 4 |
Net actuarial (gains) losses |  | (61) | (10) |
Curtailments |  | 0 | 0 |
Settlements |  | 0 | 0 |
Plan amendments |  | 0 | 0 |
Foreign currency rate changes |  | (17) | (2) |
Benefits paid |  | (10) | (14) |
Benefit obligation, end of year | 154 | 154 | 234 | 252
Change in plan assets: |  |  |  |
Fair value of plan assets, beginning of year |  | 183 | 195 |
Actual return on plan assets |  | (53) | (3) |
Employer contributions |  | 4 | 6 |
Benefits paid |  | (10) | (14) |
Foreign currency rate changes |  | (18) | (1) |
Settlements |  | 0 | 0 |
Fair value of plan assets, end of year | 106 | 106 | 183 | 195
Net underfunded status of plans | (48) | (48) | (51) |
Classification of amounts recognized in the Consolidated Balance Sheets: |  |  |  |
Other long-term assets | 10 | 10 | 20 |
Accrued liabilities | (6) | (6) | (4) |
Pension and postretirement healthcare benefits | (52) | (52) | (67) |
Total liabilities | (58) | (58) | (71) |
Accumulated other comprehensive (income) loss | 4 | 4 | 10 |
Total | (44) | (44) | (41) |
International | Other Post Retirement Benefit Plans |  |  |  |
Change in benefit obligations: |  |  |  |
Benefit obligation, beginning of year |  | 16 | 23 |
Service cost |  | 1 | 1 |
Interest cost |  | 2 | 2 |
Net actuarial (gains) losses |  | (1) | (3) |
Curtailments |  | 0 | 0 |
Settlements |  | 0 | 0 |
Plan amendments |  | 0 | (4) |
Foreign currency rate changes |  | 0 | (2) |
Benefits paid |  | (1) | (1) |
Benefit obligation, end of year | 17 | 17 | 16 | 23
Change in plan assets: |  |  |  |
Fair value of plan assets, beginning of year |  | 0 | 0 |
Actual return on plan assets |  | 0 | 0 |
Employer contributions |  | 1 | 1 |
Benefits paid |  | (1) | (1) |
Foreign currency rate changes |  | 0 | 0 |
Settlements |  | 0 | 0 |
Fair value of plan assets, end of year | 0 | 0 | 0 | $ 0
Net underfunded status of plans | (17) | (17) | (16) |
Classification of amounts recognized in the Consolidated Balance Sheets: |  |  |  |
Other long-term assets | 0 | 0 | 0 |
Accrued liabilities | 0 | 0 | 0 |
Pension and postretirement healthcare benefits | (17) | (17) | (16) |
Total liabilities | (17) | (17) | (16) |
Accumulated other comprehensive (income) loss | 2 | 2 | 3 |
Total | $ (15) | $ (15) | $ (13) |

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