Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 407	$ 444	$ 210
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	340	378	421
Gain on disposal of property and equipment, net	(1)	(4)	(6)
Tangible asset impairment charges	1	2	0
Loss on extinguishment of debt	0	0	54
Amortization of deferred financing costs	7	6	7
Amortization of Senior Notes original issue premium	0	0	(2)
Insurance proceeds related to operating activities	0	0	10
Insurance benefit in net income	0	0	(10)
Deferred tax provision (benefit)	45	(123)	(80)
Share-based compensation expense	28	21	18
Provision for doubtful accounts	17	18	11
Changes in operating assets and liabilities, net of business acquisitions:
(Increase) decrease in receivables	(71)	(67)	22
(Increase) decrease in inventories	(72)	40	(101)
Increase in prepaid expenses and other assets	(45)	(24)	0
Increase in accounts payable and cash overdraft liability	79	17	131
(Decrease) increase in accrued expenses and other liabilities	(126)	41	(136)
Net cash provided by operating activities	609	749	549
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses—net of cash	0	(182)	(122)
Proceeds from sales of property and equipment	3	25	17
Purchases of property and equipment	(235)	(221)	(164)
Investments in marketable securities and other	0	0	(493)
Proceeds from redemption of industrial revenue bonds	0	22	0
Net cash provided by (used in) investing activities	(232)	(356)	(762)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt borrowings	4,178	2,550	2,707
Proceeds from debt refinancing	0	0	2,214
Principal payments on debt and capital leases	(4,595)	(2,651)	(4,141)
Repayment of industrial revenue bonds	0	(22)	0
Redemption of Old Senior Notes	0	0	(1,377)
Payment for debt financing costs and fees	(1)	(1)	(26)
Net proceeds from initial public offering	0	0	1,114
Cash distribution to shareholders	0	0	(666)
Contingent consideration paid for business acquisitions	(5)	(6)	0
Proceeds from employee share purchase plan	19	16	3
Proceeds from exercise of stock options	19	18	0
Tax withholding payments for net share-settled equity awards	(6)	(28)	0
Proceeds from common stock sales	0	0	3
Common stock repurchased	0	(280)	0
Common stock and share-based awards settled	0	(1)	(11)
Net cash (used in) provided by financing activities	(391)	(405)	(180)
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(14)	(12)	(393)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—Beginning of year	119	131	524
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—End of year	105	119	131
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest (net of amounts capitalized)	160	158	223
Income taxes paid—net	78	11	5
NON-CASH INVESTING AND FINANCING ACTIVITIES
Property and equipment purchases included in accounts payable	28	31	50
Capital lease additions	101	91	80
Cashless exercise of equity awards	2	30	0
Contingent consideration payable for acquisition of businesses	0	4	8
Marketable securities transferred in connection with the legal defeasance of the CMBS Fixed Loan Facility	0	0	485
CMBS Fixed Loan Facility defeasance	$ 0	$ 0	$ 472