Pensions - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022
Retirement Benefits [Abstract]
Total benefit plan expense allocated	$ 1	$ 15	$ 17	$ 27
Transfer of net pension assets			86
Transfer of net pension liabilities			$ 21

Amount of administration expense of defined benefit plan which decreases plan assets. Excludes plan administration expense paid by employer.

No definition available.

Name:	us-gaap_DefinedBenefitPlanAdministrationExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration