Supplementary Cash Flow Information and Restricted Cash (Accounts Receivable Sale Activity) (Details) $ in Millions	6 Months Ended
	Jul. 03, 2020 USD ($)
Supplemental Cash Flow Information [Abstract]
Sales of accounts receivable	$ 1,113
Cash collections on sold receivables remitted to financial institution	(888)
Outstanding balance sold to financial institution	225
Cash collected but not yet remitted to financial institution	(14)
Sold receivables due from customers	$ 211