CONSOLDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019
Cash flows from operating activities:
Net income	$ 305	$ 375
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	103	139
Amortization of debt issuance costs and discounts	2	6
Share-based compensation	33	36
Deferred income taxes	(2)	0
Unrealized loss on forward interest rate swaps	37	28
Other, net	(5)	(4)
Changes in operating assets and liabilities:
Accounts receivable, net	96	(73)
Inventories, net	(7)	65
Other assets	3	(20)
Accounts payable	(7)	(51)
Accrued liabilities	(40)	(62)
Deferred revenue	58	43
Income taxes	(58)	(58)
Other operating activities	13	(4)
Net cash provided by operating activities	531	420
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(548)	(255)
Purchases of property, plant and equipment	(49)	(44)
Proceeds from sale of long-term investments	6	10
Purchases of long-term investments	(32)	(21)
Net cash used in investing activities	(623)	(310)
Cash flows from financing activities:
Payment of debt issuance costs and discounts	(1)	(5)
Payments of long-term debt	(103)	(661)
Proceeds from issuance of long-term debt	389	593
Payments of debt extinguishment costs	0	(1)
Payments for repurchases of common stock	(200)	(20)
Net payments related to share-based compensation plans	(28)	(36)
Change in unremitted cash collections from servicing factored receivables	73	8
Other financing activities	1	2
Net cash provided by (used in) financing activities	131	(120)
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(1)	(1)
Net increase (decrease) in cash and cash equivalents, including restricted cash	38	(11)
Cash and cash equivalents, including restricted cash, at beginning of period	30	44
Cash and cash equivalents, including restricted cash, at end of period	68	33
Less restricted cash, included in Prepaid expenses and other current assets	(29)	0
Cash and cash equivalents	39	33
Supplemental disclosures of cash flow information:
Income taxes paid	100	102
Interest paid	$ 28	$ 49