Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Cash flows from operating activities:
Net income	$ 385	$ 407	$ 444
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	362	340	378
Gain on disposal of property and equipment, net	(1)	(1)	(4)
Tangible asset impairment charges	1	1	2
Amortization of deferred financing costs	7	7	6
Deferred tax provision (benefit)	7	45	(123)
Share-based compensation expense	32	28	21
Provision for doubtful accounts	21	17	18
Changes in operating assets and liabilities, net of business acquisitions:
Increase in receivables	(19)	(71)	(67)
Decrease (increase) in inventories	16	(72)	40
Decrease (increase) in prepaid expenses and other assets	9	(45)	(24)
(Decrease) increase in accounts payable and cash overdraft liability	(56)	79	17
(Decrease) increase in accrued expenses and other liabilities	(4)	(126)	41
Net cash provided by operating activities	760	609	749
Cash flows from investing activities:
Acquisition of businesses—net of cash	(1,832)	0	(182)
Proceeds from sales of divested assets	94	0	0
Proceeds from sales of property and equipment	9	3	25
Purchases of property and equipment	(258)	(235)	(221)
Proceeds from redemption of industrial revenue bonds	0	0	22
Net cash used in investing activities	(1,987)	(232)	(356)
Cash flows from financing activities:
Proceeds from debt borrowings	6,198	4,178	2,550
Principal payments on debt and financing leases	(4,967)	(4,595)	(2,651)
Repayment of industrial revenue bonds	0	0	(22)
Payment for debt financing costs and fees	(44)	(1)	(1)
Contingent consideration paid for business acquisitions	0	(5)	(6)
Proceeds from employee stock purchase plan	19	19	16
Proceeds from exercise of stock options	19	19	18
Tax withholding payments for net share-settled equity awards	(5)	(6)	(28)
Common stock repurchased	0	0	(280)
Common stock and share-based awards settled	0	0	(1)
Net cash provided by (used in) financing activities	1,220	(391)	(405)
Net decrease in cash, cash equivalents and restricted cash	(7)	(14)	(12)
Cash, cash equivalents and restricted cash—beginning of year	105	119	131
Cash, cash equivalents and restricted cash—end of year	98	105	119
Supplemental disclosures of cash flow information:
Interest paid—net of amounts capitalized	173	160	158
Income taxes paid—net	137	78	11
Property and equipment purchases included in accounts payable	49	28	31
Leased assets obtained in exchange for financing lease liabilities	86	101	91
Leased assets obtained in exchange for operating lease liabilities	39	0	0
Cashless exercise of stock options	1	2	30
Contingent consideration payable for acquisition of businesses	$ 0	$ 0	$ 4