Retirement Plans (Additional Information About International Plans) (Details) - Foreign Plan [Member] - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Amounts recognized on the Consolidated Balance Sheets
Other Assets	$ 11	$ 39
Accrued employee compensation and benefits	11	10
Employee compensation and benefits	177	154
Pension plans in which projected benefit obligation exceeded plan assets
Projected benefit obligation	200	179
Fair value of plan assets	12	15
Pension plans in which accumulated benefit obligation exceeded plan assets
Accumulated benefit obligation	122	106
Fair value of plan assets	$ 12	$ 15

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