Debt ABS Facility (Details) - USD ($)	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Line of Credit Facility [Line Items]
Borrowings under facility	$ 4,736,000,000	$ 3,457,000,000
Revolving credit facility | ABS Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	800,000,000
Borrowings under facility	190,000,000	$ 275,000,000
Available capacity in credit facility	$ 552,000,000
Weighted-average interest rate on outstanding borrowings	3.23%	3.00%
Debt issuance costs	$ 1,000,000
Revolving credit facility | ABS Facility | Minimum
Line of Credit Facility [Line Items]
Credit facility unused capacity commitment fee percentage	0.35%
Revolving credit facility | ABS Facility | Maximum
Line of Credit Facility [Line Items]
Credit facility unused capacity commitment fee percentage	0.45%
Revolving credit facility | ABS Facility | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	0.95%