Retirement Plans and Profit Sharing Arrangements - Pension Plans with Benefit Obligations in Excess of Plan Assets (Details) - Pension Plans - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plans
Accumulated benefit obligation	$ 1,200	$ 1,800
Pension plans with accumulated benefit obligations in excess of plan assets:
Accumulated benefit obligation	874	1,769
Fair value of plan assets	688	1,583
Pension plans with projected benefit obligations in excess of plan assets:
Projected benefit obligation	903	1,815
Fair value of plan assets	$ 688	$ 1,583