Employee Related Obligations - Narrative (Details) - USD ($) $ in Millions	Jan. 03, 2021	Dec. 29, 2019
Compensation Related Costs [Abstract]
Prepaid employee related obligations	$ 656	$ 551

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

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