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Pension and Other Postretirement Benefits (Details 2) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss: |  |  |  |  |
Settlement loss | $ 4,000,000 | $ 24,000,000 | $ 21,000,000 |  |
Curtailment gains |  |  | 4,000,000 |  |
North America | Pension Plans |  |  |  |  |
Pre-tax amounts recognized in accumulated other comprehensive loss |  |  |  |  |
Prior service cost | 0 |  | 0 | $ 3,000,000 |
Net actuarial loss (gain) | 6,000,000 |  | 6,000,000 | 43,000,000 |
Pre-tax amounts recognized in accumulated other comprehensive loss, total | 6,000,000 |  | 6,000,000 | 46,000,000 |
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss: |  |  |  |  |
Service cost |  |  | 16,000,000 | 20,000,000 | $ 17,000,000
Interest cost |  |  | 19,000,000 | 21,000,000 | 25,000,000
Expected return on plan assets |  |  | (22,000,000) | (24,000,000) | (30,000,000)
Settlement loss |  |  | 21,000,000 | 0 | 0
Curtailment gains |  |  | (4,000,000) | 0 | 0
Amortization of prior service cost |  |  | 1,000,000 | 1,000,000 | 1,000,000
Amortization of actuarial loss (gain) |  |  | 0 | 5,000,000 | 3,000,000
Net periodic benefit cost (income) |  |  | 31,000,000 | 23,000,000 | 16,000,000
Net actuarial (gain) loss |  |  | (2,000,000) | (31,000,000) | (1,000,000)
Settlement loss |  |  | (21,000,000) | 0 | 0
Curtailment effects |  |  | (20,000,000) | 0 | 0
Curtailment gains |  |  | 4,000,000 | 0 | 0
Amortization of prior service (cost) benefit |  |  | (1,000,000) | (1,000,000) | (1,000,000)
Amortization of actuarial (loss) gain |  |  | 0 | (5,000,000) | (3,000,000)
Total recognized in other comprehensive (income) loss |  |  | (40,000,000) | (37,000,000) | (5,000,000)
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss |  |  | (9,000,000) | (14,000,000) | 11,000,000
Benefit obligation and fair value of plan assets by pension plans |  |  |  |  |
Accumulated benefit obligation | 269,000,000 |  | 269,000,000 | 797,000,000 |
Accumulated benefit obligation | 163,000,000 |  | 163,000,000 | 0 |
Fair value of plan assets | 143,000,000 |  | 143,000,000 | 0 |
Projected benefit obligation | (167,000,000) |  | (167,000,000) | (684,000,000) |
Fair value of plan assets | 143,000,000 |  | 143,000,000 | 656,000,000 |
Consolidated pension funding contributions for 2022 | 17,000,000 |  | 17,000,000 |  |
North America | Retiree Medical |  |  |  |  |
Pre-tax amounts recognized in accumulated other comprehensive loss |  |  |  |  |
Prior service cost | 0 |  | 0 | 0 |
Net actuarial loss (gain) | (4,000,000) |  | (4,000,000) | 4,000,000 |
Pre-tax amounts recognized in accumulated other comprehensive loss, total | (4,000,000) |  | (4,000,000) | 4,000,000 |
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss: |  |  |  |  |
Service cost |  |  | 0 | 0 | 0
Interest cost |  |  | 1,000,000 | 1,000,000 | 1,000,000
Expected return on plan assets |  |  | 0 | 0 | 0
Settlement loss |  |  | 0 | 0 | 0
Curtailment gains |  |  | 0 | 0 | 0
Amortization of prior service cost |  |  | 0 | 0 | 0
Amortization of actuarial loss (gain) |  |  | 0 | 0 | (1,000,000)
Net periodic benefit cost (income) |  |  | 1,000,000 | 1,000,000 | 0
Net actuarial (gain) loss |  |  | (8,000,000) | 0 | 1,000,000
Settlement loss |  |  | 0 | 0 | 0
Curtailment effects |  |  | 0 | 0 | 0
Curtailment gains |  |  | 0 | 0 | 0
Amortization of prior service (cost) benefit |  |  | 0 | 0 | 0
Amortization of actuarial (loss) gain |  |  | 0 | 0 | 1,000,000
Total recognized in other comprehensive (income) loss |  |  | (8,000,000) | 0 | 2,000,000
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss |  |  | (7,000,000) | 1,000,000 | 2,000,000
UNITED KINGDOM |  |  |  |  |
Pre-tax amounts recognized in accumulated other comprehensive loss |  |  |  |  |
Prior service cost | 1,000,000 |  | 1,000,000 | 1,000,000 |
Net actuarial loss (gain) | 56,000,000 |  | 56,000,000 | 89,000,000 |
Pre-tax amounts recognized in accumulated other comprehensive loss, total | 57,000,000 |  | 57,000,000 | 90,000,000 |
UNITED KINGDOM | Pension Plans |  |  |  |  |
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss: |  |  |  |  |
Service cost |  |  | 0 | 0 | 0
Interest cost |  |  | 10,000,000 | 9,000,000 | 11,000,000
Expected return on plan assets |  |  | (14,000,000) | (14,000,000) | (14,000,000)
Settlement loss |  |  | 0 | 0 | 0
Curtailment gains |  |  | 0 | 0 | 0
Amortization of prior service cost |  |  | 0 | 0 | 0
Amortization of actuarial loss (gain) |  |  | 2,000,000 | 4,000,000 | 3,000,000
Net periodic benefit cost (income) |  |  | (2,000,000) | (1,000,000) | 0
Net actuarial (gain) loss |  |  | (22,000,000) | (36,000,000) | (4,000,000)
Settlement loss |  |  | 0 | 0 | 0
Curtailment effects |  |  | 0 | 0 | 0
Curtailment gains |  |  | 0 | 0 | 0
Amortization of prior service (cost) benefit |  |  | 0 | 0 | 0
Amortization of actuarial (loss) gain |  |  | (2,000,000) | (4,000,000) | (3,000,000)
Total recognized in other comprehensive (income) loss |  |  | (24,000,000) | (40,000,000) | (7,000,000)
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss |  |  | (26,000,000) | (41,000,000) | $ (7,000,000)
Benefit obligation and fair value of plan assets by pension plans |  |  |  |  |
Accumulated benefit obligation | 347,000,000 |  | 347,000,000 | 590,000,000 |
Fair value of plan assets | 320,000,000 |  | 320,000,000 | 505,000,000 |
Projected benefit obligation | (347,000,000) |  | (347,000,000) | (590,000,000) |
Fair value of plan assets | 320,000,000 |  | 320,000,000 | $ 505,000,000 |
Consolidated pension funding contributions for 2022 | $ 25,000,000 |  | $ 25,000,000 |  |

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