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Employee Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Contribution Plan Disclosure [Line Items] |  |  |
Fair value of plan assets at end of year | $ 71 | $ 66 |
Benefit obligation at end of year | 39 | 44 |
Funded status | 32 | 22 |
Pension |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Defined contribution cost | 16 | 17 | $ 16
Retirement Savings (401(k) Plan) |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Defined contribution cost | $ 29 | $ 28 | $ 27

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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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