CONSOLDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 306	$ 13
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	131	209
Amortization of debt issuance costs and discounts	12	30
Share-based compensation	34	25
Debt extinguishment costs	1	49
Deferred income taxes	17	(19)
Unrealized gain on forward interest rate swaps	(24)	(2)
Other, net	2	3
Changes in operating assets and liabilities:
Accounts receivable, net	(93)	38
Inventories, net	(16)	(145)
Other assets	(10)	19
Accounts payable	69	10
Accrued liabilities	(5)	(2)
Deferred revenue	28	25
Income taxes	2	(37)
Other operating activities	6	(6)
Net cash provided by operating activities	460	210
Cash flows from investing activities:
Purchases of property, plant and equipment	(48)	(36)
Acquisition of businesses, net of cash acquired	(72)	0
Proceeds from sale of long-term investments	2	0
Purchases of long-term investments	(2)	(1)
Net cash used in investing activities	(120)	(37)
Cash flows from financing activities:
Payment of debt issuance costs and discounts	(2)	(5)
Payments of long-term debt	(1,307)	(1,373)
Proceeds from issuance of long-term debt	961	1,186
Payments of debt extinguishment costs	(1)	(49)
Proceeds from exercise of stock options and stock purchase plan purchases	8	9
Taxes paid related to net share settlement of equity awards	(10)	(5)
Net cash used in financing activities	(351)	(237)
Effect of exchange rate changes on cash	(6)	(4)
Net decrease in cash and cash equivalents	(17)	(68)
Cash and cash equivalents at beginning of period	62	156
Cash and cash equivalents at end of period	45	88
Supplemental disclosures of cash flow information:
Income taxes paid	46	54
Interest paid	$ 73	$ 148