Supplementary Cash Flow Information and Restricted Cash (Supplementary Cash Flow Information) (Details) - USD ($) $ in Millions	9 Months Ended
Oct. 02, 2020	Sep. 27, 2019	Jan. 03, 2020	Dec. 28, 2018
Supplementary cash flow information:
Cash paid for income taxes, net of refunds	$ 110	$ 142
Cash paid interest	104	112
Non-cash investing activity:
Fixed asset additions	16	9
Non-cash financing activity:
Finance lease obligations	12	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash and cash equivalents	512		$ 668
Restricted cash	230		49
Total cash, cash equivalents and restricted cash	$ 742	$ 746	$ 717	$ 369

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