Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020
Cash flows from operating activities:
Net income (loss)	$ 95	$ (216)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	286	316
Gain on disposal of property and equipment—net	0	(15)
Asset Impairment Charges	7	9
Loss on extinguishment of debt	23	0
Amortization of deferred financing costs	10	12
Deferred tax provision (benefit)	19	(65)
Share-based compensation expense	36	29
(Benefit) provision for doubtful accounts	(18)	80
Changes in operating assets and liabilities:
(Increase) decrease in receivables	(530)	182
(Increase) decrease in inventories—net	(292)	161
Decrease in prepaid expenses and other assets	9	30
Increase in accounts payable and cash overdraft liability	780	19
Increase (decrease) in accrued expenses and other liabilities	95	(9)
Net cash provided by operating activities	520	533
Cash flows from investing activities:
Acquisition of businesses—net of cash	0	(973)
Proceeds from sales of divested assets	5	7
Proceeds from sales of property and equipment	2	33
Purchases of property and equipment	(173)	(154)
Net cash used in investing activities	(166)	(1,087)
Cash flows from financing activities:
Proceeds from debt borrowings	900	3,645
Principal payments on debt and financing leases	(1,291)	(2,640)
Net proceeds from issuance of Series A convertible preferred stock	0	491
Dividends, Preferred Stock, Cash	(18)	0
Debt financing costs and fees	(18)	(33)
Proceeds from employee stock purchase plan	16	15
Proceeds from exercise of stock options	13	2
Tax withholding payments for net share-settled equity awards	(13)	(5)
Net cash (used in) provided by financing activities	(411)	1,475
Net (decrease) increase in cash, cash equivalents and restricted cash	(57)	921
Cash, cash equivalents and restricted cash—beginning of period	829	98
Cash, cash equivalents and restricted cash—end of period	772	1,019
Supplemental disclosures of cash flow information:
Interest paid—net of amounts capitalized	134	122
Income taxes paid—net	0	3
Property and equipment purchases included in accounts payable	32	11
Property and equipment transferred to assets held for sale	11	24
Leased assets obtained in exchange for financing lease liabilities	24	63
Leased assets obtained in exchange for operating lease liabilities	24	21
Cashless exercise of stock options	1	0
Paid-in-kind Series A convertible preferred stock dividends	$ 15	$ 5