Retirement Plans and Profit Sharing Arrangements - Defined Contribution Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
U.S.
Defined contribution plans
Employer percentage match of eligible employee compensation	5.00%
Company contribution for employees not eligible for Retirement Plan	2.00%
Employer contribution requisite service period	60 days
Period of graded schedule for vesting of employer contributions	5 years
Defined contribution plan expense	$ 59	$ 55	$ 56
Plans outside the U.S.
Defined contribution plans
Defined contribution plan expense	$ 8	$ 7	$ 6