Supplementary Cash Flow Information and Restricted Cash (Supplementary Cash Flow Information) (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 03, 2020	Mar. 29, 2019	Jan. 03, 2020	Dec. 28, 2018
Supplementary cash flow information:
Cash paid for interest	$ 27	$ 43
Cash paid for income taxes, net of refunds	0	3
Non-cash investing activity:
Fixed asset additions	13	0
Non-cash financing activity:
Finance lease obligations	6	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash and cash equivalents	445		$ 668
Restricted cash	120		49
Total cash, cash equivalents and restricted cash	$ 565	$ 597	$ 717	$ 369

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Amount of increase in lease obligation from new lease.

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