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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Postemployment Benefits [Abstract] |
Change in Benefit Obligation, Plan Assets and Funded Status of Defined Benefit Pension Plans | The change in benefit obligation, plan assets and the funded status of the defined benefit pension plans in the United Kingdom using a measurement date of December 31, 2023, is as follows (in millions):
|  | Pension Benefits |
At year end |  | 2023 |
Benefit obligation at beginning of year |  | $ | 4 |
Actuarial loss (gain) |  |  | — |
Plan settlements |  |  | (4 | )
Foreign currency exchange rate changes |  |  | — |
Benefit obligation at end of year |  | $ | — |
Fair value of plan assets at beginning of year |  | $ | 6 |
Actual return |  |  | — |
Plan settlements |  |  | (5 | )
Foreign currency exchange rate changes and other |  |  | (1 | )
Fair value of plan assets at end of year |  | $ | — |
Funded status |  |  | — |
Accumulated benefit obligation at end of year |  | $ | — |
Assumption Rates Used for Net Periodic Benefit Costs | The assumption rates used for net periodic benefit costs are as follows:
|  | December 31,
|  | 2023 |  | 2022
Discount rate: |  | 4.10% - 5.10% |  | 1.20% - 1.80%
Expected return on assets: |  | 4.00% - 5.12% |  | 1.10% - 2.22%

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- Definition Tabular disclosure of the change in the benefit obligation, fair value of plan assets, and funded status of pension plans or other employee benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (a)(b)(c) -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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