Retirement Plans and Profit Sharing Arrangements - Amounts recognized in Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Pension Plans
Amounts recognized in Consolidated Balance Sheets
Benefit liability	$ (339)	$ (366)
Benefit asset	107
Net amount recognized	(232)	(366)
Other Postretirement Plans
Amounts recognized in Consolidated Balance Sheets
Benefit liability	(13)	(14)
Net amount recognized	$ (13)	$ (14)

Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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Name:	us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant