Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net (loss) income	$ (137)	$ 32	$ 134
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	320	81	32
Amortization of debt issuance cost and discount	16	2	0
Share-based compensation	31	20	13
Excess tax benefit from share-based compensation	(12)	(6)	(4)
Deferred income taxes	(124)	(44)	8
Realized (gain) loss on forward interest rate swaps	(4)	5	0
All other, net	14	4	0
Changes in assets and liabilities, net of businesses acquired:
Accounts receivable	(6)	(70)	(7)
Inventories	(10)	(2)	3
Other assets	(6)	(13)	0
Accounts payable	(21)	62	7
Accrued liabilities	(13)	164	6
Deferred revenue	17	10	2
Income taxes	38	(5)	0
Other operating activities	8	8	0
Net cash provided by operating activities	111	248	194
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(52)	(3,399)	(95)
Purchases of property and equipment	(122)	(39)	(20)
Proceeds from the sale of long-term investments	3	0	0
Acquisition of intangible assets	0	0	(2)
Purchases of long-term investments	(1)	(2)	(12)
Purchases of investments and marketable securities	(1)	(651)	(410)
Maturities of investments and marketable securities	0	336	49
Proceeds from sales of investments and marketable securities	25	644	337
Net cash used in investing activities	(148)	(3,111)	(153)
Cash flows from financing activities:
Payment of debt issuance costs	0	(24)	0
Proceeds from issuance of long-term debt	0	3,189	0
Purchase of treasury stock	0	0	(63)
Payment of long term-debt	(165)	0	0
Proceeds from exercise of stock options and stock purchase plan purchases	17	26	23
Taxes paid related to net share settlement of equity awards	(13)	(5)	(8)
Excess tax benefit from share-based compensation	12	6	4
Net cash (used in) provided by financing activities	(149)	3,192	(44)
Effect of exchange rate changes on cash	(16)	2	1
Net (decrease) increase in cash and cash equivalents	(202)	331	(2)
Cash and cash equivalents at beginning of year	394	63	65
Cash and cash equivalents at end of year	192	394	63
Supplemental disclosures of cash flow information:
Income taxes paid	38	17	18
Interest paid	$ 183	$ 0	$ 0