Retirement Benefits - Amounts Recognized in Combined Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Amounts recognized in the consolidated balance sheet as of December 31, consisted of:
Accrued retirement benefits	$ (184)	$ (161)
Pension Plans
Amounts recognized in the consolidated balance sheet as of December 31, consisted of:
Other noncurrent assets	1	2
Other current liabilities	(1)	0
Accrued retirement benefits	(174)	(150)
Accumulated other comprehensive loss before income taxes	(91)	(112)
Net amount recognized	$ (265)	$ (260)

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