Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income (loss)	$ 104,000,000	$ 347,000,000	$ (239,000,000)
Adjustments to reconcile net income (loss) to cash provided by operating activities
Depreciation and amortization	844,000,000	815,000,000	769,000,000
Deferred and prepaid income taxes	245,000,000	(305,000,000)	(532,000,000)
Stock-based compensation expense	127,000,000	116,000,000	107,000,000
Intangible asset impairment charges	4,000,000	11,000,000	19,000,000
Net loss (gain) on investments and notes receivable	92,000,000	21,000,000	9,000,000
Contingent consideration expense (benefit)	(80,000,000)	29,000,000	123,000,000
Payment of contingent consideration in excess of amounts established in purchase accounting	(14,000,000)	(57,000,000)	(57,000,000)
Pension termination charges	0	0	44,000,000
Inventory step-up amortization	10,000,000	22,000,000	36,000,000
Other, net	27,000,000	(23,000,000)	86,000,000
Increase (decrease) in operating assets and liabilities, net of acquisitions:
Trade accounts receivable	(30,000,000)	(216,000,000)	(17,000,000)
Inventories	(107,000,000)	40,000,000	3,000,000
Other assets	(20,000,000)	(43,000,000)	23,000,000
Accounts payable and accrued expenses	195,000,000	553,000,000	(20,000,000)
Other liabilities	28,000,000	(128,000,000)	337,000,000
Cash provided by operating activities	1,426,000,000	1,182,000,000	691,000,000
Investing Activities
Purchases of property, plant and equipment	(319,000,000)	(376,000,000)	(247,000,000)
Proceeds on disposals of property, plant and equipment	0	29,000,000	0
Payments for acquisitions of businesses, net of cash acquired	(560,000,000)	(408,000,000)	(1,734,000,000)
Payments for investments and acquisitions of certain technologies	(131,000,000)	(132,000,000)	(266,000,000)
Proceeds from Collection of Notes Receivable			61,000,000
Cash used for investing activities	(1,010,000,000)	(887,000,000)	(2,186,000,000)
Financing Activities
Payments of contingent consideration amounts previously established in purchase accounting	(33,000,000)	(65,000,000)	(156,000,000)
Proceeds from long-term borrowings, net of debt issuance and extinguishment costs	0	0	2,535,000,000
Payments on long-term borrowings	(1,000,000,000)	(250,000,000)	(1,150,000,000)
Proceeds from (Repayments of) Commercial Paper	1,183,000,000	0	0
Proceeds from borrowings on credit facilities	2,156,000,000	630,000,000	565,000,000
Payments on borrowings from credit facilities	(2,216,000,000)	(570,000,000)	(565,000,000)
Payment to net share settle employee equity awards	(65,000,000)	(62,000,000)	(66,000,000)
Proceeds from issuances of shares of common stock	85,000,000	111,000,000	114,000,000
Cash provided by (used for) financing activities	110,000,000	(206,000,000)	1,276,000,000
Effect of foreign exchange rates on cash	4,000,000	(2,000,000)	(4,000,000)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	530,000,000	87,000,000	(223,000,000)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	487,000,000	400,000,000	623,000,000
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	1,017,000,000	487,000,000	400,000,000
Supplemental Information
Proceeds from Income Tax Refunds	(42,000,000)
Cash (received) paid for income taxes, net		94,000,000	80,000,000
Cash paid for interest	235,000,000	233,000,000	283,000,000
Fair value of contingent consideration recorded in purchase accounting	$ 94,000,000	$ 50,000,000	$ 63,000,000