Accounts Receivable Financing Program (Details) - USD ($)	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Borrowings under facility	$ 3,457,000,000	$ 3,757,000,000
ABS Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash collateral held	0	0
Accounts receivable	1,000,000,000	$ 1,000,000,000
Maximum borrowing capacity	800,000,000
Available capacity	$ 455,000,000
Revolving credit facility unused commitment fee	0.35%
Weighted-average interest rate on outstanding borrowings	3.00%	2.18%
LIBOR | ABS Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Basis spread on variable interest rate	1.00%