Debt Components of Total Debt (Details) - USD ($) $ in Millions	Jan. 02, 2021	Apr. 24, 2020	Dec. 28, 2019
Debt Instrument [Line Items]
Total debt	$ 5,748		$ 4,736
Current portion of long-term debt	(131)		(142)
Long-term debt	5,617		4,594
ABL Facility | Revolving credit facility
Debt Instrument [Line Items]
Total debt	0		0
ABS Facility | Revolving credit facility
Debt Instrument [Line Items]
Total debt	0		190
Initial Term Loan Facility | Senior secured term loan facility
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 3		4
Interest rate	1.90%
Total debt	$ 2,098		2,125
2019 Term Loan Facility | Senior secured term loan facility
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 30		35
Interest rate	2.15%
Total debt	$ 1,451		1,465
2020 Term Loan Facility | Senior secured term loan facility
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 11		0
Interest rate	4.25%
Total debt	$ 284	$ 700	0
Senior Secured Notes due 2025 | Senior notes
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 13		0
Interest rate	6.25%
Total debt	$ 987		0
Senior Notes due 2024 | Senior notes
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 3		4
Interest rate	5.875%
Total debt	$ 597		596
Obligations under financing leases | Lease agreements
Debt Instrument [Line Items]
Total debt	$ 323		352
Obligations under financing leases | Lease agreements | Minimum
Debt Instrument [Line Items]
Interest rate	1.63%
Obligations under financing leases | Lease agreements | Maximum
Debt Instrument [Line Items]
Interest rate	6.17%
Other debt | Other debt obligations
Debt Instrument [Line Items]
Total debt	$ 8		$ 8
Other debt | Other debt obligations | Minimum
Debt Instrument [Line Items]
Interest rate	5.75%
Other debt | Other debt obligations | Maximum
Debt Instrument [Line Items]
Interest rate	9.00%