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Pension, Other Postretirement Benefits and Savings Plans - Changes in Benefit Obligation and Plan Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Change in benefit obligation: |  |  |  |
Curtailments/settlements/termination benefits |  | $ 124 | $ 43 | $ 18
UNITED STATES |  |  |  |
Change in plan assets: |  |  |  |
Beginning balance |  | 1,674 |  |
Ending balance |  | 202 | 1,674 |
Foreign Plan [Member] |  |  |  |
Change in plan assets: |  |  |  |
Beginning balance |  | 650 |  |
Ending balance |  | 360 | 650 |
Pension Plan [Member] | UNITED STATES |  |  |  |
Change in benefit obligation: |  |  |  |
Beginning balance |  | (5,798) | (5,235) |
Service cost — benefits earned |  | (13) | (9) | (4)
Interest cost |  | (133) | (94) | (126)
Plan amendments |  | (6) | 0 |
Actuarial loss |  | 1,282 | 153 |
Participant contributions |  | 0 | 0 |
Curtailments/settlements/termination benefits |  | 233 | 90 |
Acquisition of Cooper Tire | [1] | 0 | (1,088) |
Foreign currency translation |  | 0 | 0 |
Benefit payments |  | 351 | 385 |
Ending balance |  | (4,084) | (5,798) | (5,235)
Change in plan assets: |  |  |  |
Beginning balance |  | 5,720 | 4,970 |
Actual return on plan assets |  | (969) | 86 |
Company contributions to plan assets |  | 0 | 29 |
Cash funding of direct participant payments |  | 7 | 10 |
Participant contributions |  | 0 | 0 |
Settlements |  | (233) | (90) |
Acquisition of Cooper Tire | [1] | 0 | 1,100 |
Foreign currency translation |  | 0 | 0 |
Benefit payments |  | (351) | (385) |
Ending balance |  | 4,174 | 5,720 | 4,970
Funded status at end of year |  | 90 | (78) |
Pension Plan [Member] | Foreign Plan [Member] |  |  |  |
Change in benefit obligation: |  |  |  |
Beginning balance |  | (3,464) | (3,382) |
Service cost — benefits earned |  | (24) | (30) | (30)
Interest cost |  | (60) | (47) | (56)
Plan amendments |  | 1 | (3) |
Actuarial loss |  | 881 | 168 |
Participant contributions |  | (3) | (1) |
Curtailments/settlements/termination benefits |  | 6 | 10 |
Acquisition of Cooper Tire | [1] | 0 | (450) |
Foreign currency translation |  | 287 | 118 |
Benefit payments |  | 149 | 153 |
Ending balance |  | (2,227) | (3,464) | (3,382)
Change in plan assets: |  |  |  |
Beginning balance |  | 3,272 | 3,041 |
Actual return on plan assets |  | (845) | (9) |
Company contributions to plan assets |  | 32 | 30 |
Cash funding of direct participant payments |  | 21 | 22 |
Participant contributions |  | 3 | 1 |
Settlements |  | (6) | (10) |
Acquisition of Cooper Tire | [1] | 0 | 412 |
Foreign currency translation |  | (285) | (62) |
Benefit payments |  | (149) | (153) |
Ending balance |  | 2,043 | 3,272 | 3,041
Funded status at end of year |  | (184) | (192) |
Other Postretirement Benefits Plan [Member] |  |  |  |
Change in benefit obligation: |  |  |  |
Beginning balance |  | (406) | (236) |
Service cost — benefits earned |  | (3) | (3) | (2)
Interest cost |  | (12) | (9) | (8)
Plan amendments |  | 0 | 4 |
Actuarial loss |  | 103 | 21 |
Participant contributions |  | (8) | (8) |
Curtailments/settlements/termination benefits |  | 0 | 0 |
Acquisition of Cooper Tire | [1] | 0 | (205) |
Foreign currency translation |  | 5 | 2 |
Benefit payments |  | 29 | 28 |
Ending balance |  | (292) | (406) | (236)
Change in plan assets: |  |  |  |
Beginning balance |  | 0 | 0 |
Actual return on plan assets |  | 0 | 0 |
Company contributions to plan assets |  | 0 | 0 |
Cash funding of direct participant payments |  | 21 | 20 |
Participant contributions |  | 8 | 8 |
Settlements |  | 0 | 0 |
Acquisition of Cooper Tire | [1] | 0 | 0 |
Foreign currency translation |  | 0 | 0 |
Benefit payments |  | (29) | (28) |
Ending balance |  | 0 | 0 | $ 0
Funded status at end of year |  | (292) | (406) |
Other Postretirement Benefits Plan [Member] | UNITED STATES |  |  |  |
Change in plan assets: |  |  |  |
Funded status at end of year |  | 205 | 292 |
Other Postretirement Benefits Plan [Member] | Foreign Plan [Member] |  |  |  |
Change in plan assets: |  |  |  |
Funded status at end of year |  | $ 87 | $ 114 |
[1] | Represents the fair value of Cooper Tire related benefit plan obligations and plan assets as of the Closing Date.

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- Definition Curtailments The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. Settlements The amount of decrease that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts. + References No definition available. + Details
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