Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income (loss)	$ (239)	$ (119)	$ (121)
Adjustments to reconcile net income (loss) to cash provided by operating activities
Gain on sale of businesses	0	(12)	(38)
Depreciation and amortization	769	725	689
Deferred and prepaid income taxes	(532)	(397)	(223)
Stock-based compensation expense	107	103	105
Goodwill impairment charges	0	0	423
Intangible asset impairment charges	19	195	53
Net losses (gains) on investments and notes receivable	9	(27)	9
Contingent consideration expense (benefit)	123	(85)	4
Payment of contingent consideration in excess of amounts established in purchase accounting	(57)	(103)	(5)
Pension termination charges	44	0	0
Inventory step-up amortization	36	9	0
Other, net	41	18	31
Increase (decrease) in cash flows from operating assets and liabilities:
Trade accounts receivable	(17)	53	(101)
Inventories	3	(81)	(7)
Other assets	(23)	(33)	91
Accounts payable and accrued expenses	(20)	620	(9)
Other liabilities	337	403	209
Cash provided by operating activities	600	1,269	1,110
Investing Activities
Purchases of property, plant and equipment	(247)	(259)	(245)
Proceeds on disposals of property, plant and equipment	0	0	53
Payments for acquisitions of businesses, net of cash acquired	(1,734)	(486)	(274)
Proceeds from business divestitures, net of costs	0	12	30
Payments for investments and acquisitions of certain technologies	(266)	(26)	(44)
Proceeds from investments and collections of notes receivable	61	14	5
Cash used for investing activities	(2,186)	(745)	(475)
Financing Activities
Payments of contingent consideration amounts previously established in purchase accounting	(156)	(34)	(160)
Proceeds from long-term borrowings, net of debt issuance costs	2,580	0	1,440
Payments on long-term borrowings	(1,150)	0	(1,450)
Proceeds from borrowings on credit facilities	565	810	340
Payments on borrowings from credit facilities	(565)	(810)	(340)
Payments for acquisitions of treasury stock	0	(125)	(500)
Cash used to net share settle employee equity awards	(66)	(51)	(28)
Proceeds from issuances of shares of common stock	114	60	74
Cash provided by (used for) financing activities	1,322	(150)	(624)
Effect of foreign exchange rates on cash	(4)	(4)	(1)
Net increase (decrease) in cash and cash equivalents	(268)	370	10
Cash and cash equivalents at beginning of period	587	217	207
Cash and cash equivalents at beginning of period	319	587	217
Supplemental Information
Cash paid for income taxes, net	80	74	67
Cash paid for interest	$ 283	221	329
Fair value of contingent consideration recorded in purchase accounting		$ 3	$ 0