Acquisitions (Tables)

12 Months Ended

Dec. 31, 2011

Acquisitions (Tables) [Abstract]

Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]

Changes in our contingent consideration liability were as follows (in millions):

Balance as of December 31, 2009	$	(6	)
Contingent consideration liability recorded	(75		)
Fair value adjustments	(2		)
Payments made	12
Balance as of December 31, 2010	$	(71	)
Contingent consideration liability recorded	(287		)
Fair value adjustments	(7		)
Payments made	7
Balance as of December 31, 2011	$	(358	)

Schedule of Purchase Price Allocation [Table Text Block]

The following summarizes the aggregate purchase price allocation as of December 31, 2011 (in millions):

Goodwill	$	266
Amortizable intangible assets	97
Indefinite-lived intangible assets	470
Deferred income taxes	(121		)
	$	712

The components of the purchase price as of the acquisition date for our 2010 acquisitions are as follows:

(in millions)	Total
Cash	$	199
Fair value of contingent consideration	69
	$	268

Purchase Price Allocation

The components of the aggregate purchase price as of the acquisition date for acquisitions consummated in 2011 are as follows (in millions):

Cash, net of cash acquired	$	370
Fair value of contingent consideration	287
Prior investments	55
	$	712

The following summarizes the purchase price allocations:

(in millions)	Total
Goodwill	$	81
Amortizable intangible assets	175
Indefinite-lived intangible assets	45
Other net assets	3
Deferred income taxes	(36		)
	$	268

Schedule of Finite-Lived and Indefinite Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] [Table Text Block]

	Amount Assigned (in millions)		Weighted Average Amortization Period (in years)	Range of Risk-Adjusted Discount Rates used in Purchase Price Allocation
Amortizable intangible assets
Technology-related	175		11.9	28.0% - 35.5%
Indefinite-lived intangible assets
Purchased research and development	45			29.0% - 36.0%
	$	220

We allocated the aggregate purchase price to specific intangible asset categories as of December 31, 2011 as follows:

	Amount Assigned (in millions)		Weighted Average Amortization Period (in years)	Range of Risk- Adjusted Discount Rates used in Purchase Price Allocation
Amortizable intangible assets
Technology-related	97		7.4	22.6% - 25.0%
Indefinite-lived intangible assets
Purchased research and development	470			23.6% - 30.0%
	$	567