Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income (loss)	$ 441	$ (1,065)	$ (1,025)
Gain on sale of business	(778)
Depreciation and amortization	717	816	834
Deferred income taxes	46	(110)	(64)
Stock-based compensation expense	128	150	144
Goodwill impairment charges	697	1,817
Intangible asset impairment charges	21	65	12
Net (gains) losses on investments and nots receivable	(27)	12	(9)
Purchased research and development			21
Contingent consideration expense	7	2
Other, net	(7)	11	(3)
Trade accounts receivable	42	52	1
Inventories	(54)	(5)	(92)
Other assets	(60)	132	276
Acounts payable and accrued expenses	(271)	(1,148)	462
Other liabilities	106	(404)	278
Cash provided by operating activities	1,008	325	835
Investing activities:
Purchases of property, plant and equipment, net of proceeds	(304)	(272)	(312)
Proceeds on disposals	16	5	5
Payments for acquisitions of businesses, net of cash acquired	(370)	(199)	(4)
Contingent payments related to acquisitions	(7)	(12)	(523)
Proceeds from business divestitures, net of costs	1,440
Payments for investments in companies and acquisitions of certain technologies	(11)	(6)	(50)
Proceeds from investments and collections of notes receivable	5	4	91
Cash provided by (used for) investing activities	769	(480)	(793)
Financing activities:
Proceeds from long-term borrowings, net of debt issuance costs		973	1,972
Payments on long-term borrowings	(1,250)	(1,500)	(2,825)
Proceeds from borrowings on credit facilities	565	200
Payments on borrowings from credit facilities	(565)	(200)
Payments for acquisitions of treasury stock	(492)
Proceeds from issuances of shares of common stock	21	31	33
Cash used for financing activities	(1,721)	(496)	(820)
Effect of foreign exchange rates on cash	(2)		1
Net increase (decrease) in cash and cash equivalents	54	(651)	(777)
Cash and cash equivalents at beginning of period	213	864	1,641
Cash and cash equivalents at end of period	267	213	864
Supplemental Information
Cash paid (received) for income taxes, net	138	(286)	46
Cash paid for interest	277	328	364
Fair value of contingent consideration recorded	$ 287	$ 75