Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018
Cash flows from operating activities:
Net income	$ 293	$ 307
Income from discontinued operations—net of tax	(1)	0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	260	250
Gain on disposal of property and equipment—net	(1)	(1)
Amortization of deferred financing costs	3	6
Deferred tax provision	7	50
Share-based compensation expense	22	20
Provision for doubtful accounts	14	13
Changes in operating assets and liabilities:
Increase in receivables	(162)	(174)
Increase in inventories—net	(22)	(93)
Decrease (increase) in prepaid expenses and other assets	14	(28)
Increase in accounts payable and cash overdraft liability	160	264
Decrease in accrued expenses and other liabilities	(29)	(170)
Net cash provided by operating activities of continuing operations	558	444
Net cash provided by operating activities of discontinued operations	1	0
Net cash provided by operating activities	559	444
Cash flows from investing activities:
Acquisition of business—net of cash	(1,829)	0
Proceeds from sales of property and equipment	9	3
Purchases of property and equipment	(157)	(168)
Net cash used in investing activities	(1,977)	(165)
Cash flows from financing activities:
Proceeds from debt borrowings	5,084	2,987
Principal payments on debt and financing leases	(3,654)	(3,321)
Contingent consideration paid for business acquisitions	0	(2)
Payment for debt financing costs and fees	(42)	(1)
Proceeds from employee stock purchase plan	15	15
Proceeds from exercise of stock options	13	18
Tax withholding payments for net share-settled equity awards	(5)	(6)
Net cash provided by (used in) financing activities	1,411	(310)
Net decrease in cash, cash equivalents and restricted cash	(7)	(31)
Cash, cash equivalents and restricted cash—beginning of period	105	119
Cash, cash equivalents and restricted cash—end of period	98	88
Supplemental disclosures of cash flow information:
Interest paid—net of amounts capitalized	112	118
Income taxes paid—net	116	65
Property and equipment purchases included in accounts payable	21	16
Leased assets obtained in exchange for financing lease liabilities	77	82
Leased assets obtained in exchange for operating lease liabilities	11	0
Cashless exercise of stock options	$ 1	$ 1