Employee Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
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

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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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.

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Amount of cost for defined contribution plan.

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