Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net (loss) income	$ (137,000,000)	$ (158,000,000)	$ 32,000,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	304,000,000	320,000,000	81,000,000
Impairment of goodwill, intangibles and other assets	69,000,000	0	0
Amortization of debt issuance cost and discount	23,000,000	16,000,000	2,000,000
Share-based compensation	27,000,000	31,000,000	20,000,000
Excess tax benefit from share-based compensation	(3,000,000)	(12,000,000)	(6,000,000)
Deferred income taxes	(44,000,000)	(142,000,000)	(44,000,000)
Unrealized (gain) loss on forward interest rate swaps	0	(4,000,000)	5,000,000
Other	3,000,000	14,000,000	4,000,000
Changes in operating assets and liabilities:
Accounts receivable, net	34,000,000	2,000,000	(70,000,000)
Inventories, net	34,000,000	(13,000,000)	(2,000,000)
Other assets	7,000,000	(7,000,000)	(13,000,000)
Accounts payable	125,000,000	(21,000,000)	62,000,000
Accrued liabilities	(29,000,000)	(5,000,000)	164,000,000
Deferred revenue	7,000,000	16,000,000	10,000,000
Income taxes	(41,000,000)	47,000,000	(5,000,000)
Other operating activities	(7,000,000)	26,000,000	8,000,000
Net cash provided by operating activities	372,000,000	110,000,000	248,000,000
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	0	(52,000,000)	(3,399,000,000)
Purchases of property, plant and equipment	(77,000,000)	(122,000,000)	(39,000,000)
Proceeds from the sale of a business	39,000,000	0	0
Proceeds from the sale of long-term investments	0	3,000,000	0
Purchases of long-term investments	(1,000,000)	(1,000,000)	(2,000,000)
Purchases of investments and marketable securities	0	(1,000,000)	(651,000,000)
Maturities of investments and marketable securities	0	0	336,000,000
Proceeds from sales of investments and marketable securities	0	25,000,000	644,000,000
Net cash used in investing activities	(39,000,000)	(148,000,000)	(3,111,000,000)
Cash flows from financing activities:
Payment of debt issuance costs	0	0	(24,000,000)
Proceeds from issuance of long-term debt	102,000,000	0	3,189,000,000
Payment of long term-debt	(484,000,000)	(165,000,000)	0
Proceeds from exercise of stock options and stock purchase plan purchases	11,000,000	17,000,000	26,000,000
Taxes paid related to net share settlement of equity awards	(8,000,000)	(13,000,000)	(5,000,000)
Excess tax benefit from share-based compensation	3,000,000	12,000,000	6,000,000
Net cash (used in) provided by financing activities	(376,000,000)	(149,000,000)	3,192,000,000
Effect of exchange rate changes on cash	7,000,000	(15,000,000)	2,000,000
Net (decrease) increase in cash and cash equivalents	(36,000,000)	(202,000,000)	331,000,000
Cash and cash equivalents at beginning of year	192,000,000	394,000,000	63,000,000
Cash and cash equivalents at end of year	156,000,000	192,000,000	394,000,000
Supplemental disclosures of cash flow information:
Income taxes paid	81,000,000	38,000,000	17,000,000
Interest paid	$ 180,000,000	$ 183,000,000	$ 0