Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Cash flows from operating activities:
Net (loss) income	$ (226)	$ 385	$ 407
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	422	362	340
Gain on disposal of property and equipment, net	(17)	(1)	(1)
Tangible asset impairment charges	3	1	1
Intangible asset impairment charges	9	0	0
Amortization of deferred financing costs	16	7	7
Deferred tax (benefit) provision	(51)	7	45
Share-based compensation expense	40	32	28
Provision for doubtful accounts	63	21	17
Changes in operating assets and liabilities, net of business acquisitions:
Decrease (increase) in receivables	334	(19)	(71)
Decrease (increase) in inventories	201	16	(72)
(Increase) decrease in prepaid expenses and other assets	(30)	9	(45)
(Decrease) increase in accounts payable and cash overdraft liability	(339)	(56)	79
Decrease in accrued expenses and other liabilities	(12)	(4)	(126)
Net cash provided by operating activities	413	760	609
Cash flows from investing activities:
Acquisition of businesses—net of cash	(972)	(1,832)	0
Proceeds from sales of divested assets	7	94	0
Proceeds from sales of property and equipment	44	9	3
Purchases of property and equipment	(189)	(258)	(235)
Net cash used in investing activities	(1,110)	(1,987)	(232)
Cash flows from financing activities:
Proceeds from debt borrowings	3,645	6,198	4,178
Principal payments on debt and financing leases	(2,692)	(4,967)	(4,595)
Net proceeds from issuance of Series A convertible preferred stock	491	0	0
Payment for debt financing costs and fees	(33)	(44)	(1)
Contingent consideration paid for business acquisitions	0	0	(5)
Proceeds from employee stock purchase plan	18	19	19
Proceeds from exercise of stock options	3	19	19
Tax withholding payments for net share-settled equity awards	(5)	(5)	(6)
Net cash provided by (used in) financing activities	1,427	1,220	(391)
Net increase (decrease) in cash, cash equivalents and restricted cash	730	(7)	(14)
Cash, cash equivalents and restricted cash—beginning of year	98	105	119
Cash, cash equivalents and restricted cash—end of year	828	98	105
Supplemental disclosures of cash flow information:
Interest paid—net of amounts capitalized	216	173	160
Income taxes (received) paid—net	(1)	137	78
Property and equipment purchases included in accounts payable	21	49	28
Leased assets obtained in exchange for financing lease liabilities	73	86	101
Leased assets obtained in exchange for operating lease liabilities	48	39	0
Cashless exercise of stock options	0	1	2
Paid-in-kind Series A convertible preferred stock dividends	$ 28	$ 0	$ 0