Retirement Plans and Profit Sharing Arrangements - Reconciliation of Changes in Benefit Obligation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plans
Change in benefit obligation
Benefit obligation, beginning	$ 1,256	$ 1,815
Service cost	29	43	$ 45
Interest cost	65	39	21
Benefits paid	(23)	(21)
Actuarial (gain) loss	52	(520)
Settlements	(45)	(27)
Foreign currency rate changes	21	(73)
Benefit obligation, ending	1,355	1,256	1,815
Other Postretirement Plans
Change in benefit obligation
Benefit obligation, beginning	11	13
Service cost	0	0
Interest cost	1	0
Benefits paid	(1)	(1)
Actuarial (gain) loss	0	(1)
Settlements	0	0
Foreign currency rate changes	0	0
Benefit obligation, ending	$ 11	$ 11	$ 13