Acquired Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 2,320	$ 999
Finite-Lived Intangible Assets, Accumulated Amortization	(921)	(826)
Finite-Lived Intangible Assets, Net	1,399us-gaap_FiniteLivedIntangibleAssetsNet	173us-gaap_FiniteLivedIntangibleAssetsNet
Impairment of Intangible Assets (Excluding Goodwill)	17
Acquired finite-lived intangible asset amortization expense	95us-gaap_AmortizationOfIntangibleAssets	73us-gaap_AmortizationOfIntangibleAssets	90us-gaap_AmortizationOfIntangibleAssets
Total Acquired Intangible Assets
Total Intangible assets, Gross Carrying Amount	2,335	1,031
Total intangible assets, Net	1,414	205
Estimated amortization expense of acquired finite-lived intangible asset
2013	242
2014	223
2015	208
2016	205
2017	188
Thereafter	333
Finite-Lived Intangible Assets, Net	1,399us-gaap_FiniteLivedIntangibleAssetsNet	173us-gaap_FiniteLivedIntangibleAssetsNet
Vyvx Trade Name
Indefinite-Lived Intangible Assets:
Indefinite-Lived Intangible Assets, Net	15	32
Customer Contracts and Relationships
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	1,977	786
Finite-Lived Intangible Assets, Accumulated Amortization	(741)	(678)
Finite-Lived Intangible Assets, Net	1,236	108
Acquired finite-lived intangible assets, amortization period (in years)	6 years 9 months 18 days
Estimated amortization expense of acquired finite-lived intangible asset
Finite-Lived Intangible Assets, Net	1,236	108
Trademarks
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	115	55
Finite-Lived Intangible Assets, Accumulated Amortization	(47)	(31)
Finite-Lived Intangible Assets, Net	68	24
Acquired finite-lived intangible assets, amortization period (in years)	4 years 2 months 12 days
Estimated amortization expense of acquired finite-lived intangible asset
Finite-Lived Intangible Assets, Net	68	24
Patents and Developed Technology
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	228	158
Finite-Lived Intangible Assets, Accumulated Amortization	(133)	(117)
Finite-Lived Intangible Assets, Net	95	41
Acquired finite-lived intangible assets, amortization period (in years)	4 years
Estimated amortization expense of acquired finite-lived intangible asset
Finite-Lived Intangible Assets, Net	$ 95	$ 41

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Sum of gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets.

+ References

No definition available.

+ Details

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

+ Details

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References