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Employee Benefit and Retirement Plans - Summary of Reconciliation of Change in Fair Value Measurement of Defined Benefit Plans' Consolidated Assets Using Significant Unobservable Inputs (Level 3) (Details) - Level 3 $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($)
Change in plan assets: |
Fair value of plan assets at beginning of year | $ 194
Purchases, sales, settlements and other, net | (184)
Fair value of plan assets at end of year | $ 10

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- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases, Sales, Settlements and Other, Net + References No definition available. + Details
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