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Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets Finite-lived intangible assets (Details)

v2.4.0.6
Intangible Assets Finite-lived intangible assets (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items] Ìý Ìý Ìý Ìý
Amortization of Intangible Assets $ 26 $ 3 Ìý Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (484) Ìý Ìý (458)
Finite-Lived Intangible Assets, Gross 1,523 Ìý Ìý 566
Finite-Lived Intangible Assets, Net 1,039 Ìý 108 108
Minimum [Member]
 Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý Ìý Ìý
Finite-Lived Intangible Asset, Useful Life 6 years Ìý Ìý Ìý
Maximum [Member]
 Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý Ìý Ìý
Finite-Lived Intangible Asset, Useful Life 15 years Ìý Ìý Ìý
Customer Relationships [Member]
 Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (34) Ìý Ìý (23)
Finite-Lived Intangible Assets, Gross 621 Ìý Ìý 51
Finite-Lived Intangible Assets, Net 587 Ìý Ìý 28
Licensing Agreements [Member]
 Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (6) Ìý Ìý 0
Finite-Lived Intangible Assets, Gross 310 Ìý Ìý 0
Finite-Lived Intangible Assets, Net 304 Ìý Ìý 0
Other Intangible Assets [Member]
 Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets [Line Items] Ìý Ìý Ìý Ìý
Finite-Lived Intangible Assets, Accumulated Amortization (444) Ìý Ìý (435)
Finite-Lived Intangible Assets, Gross 592 Ìý Ìý 515
Finite-Lived Intangible Assets, Net $ 148 Ìý Ìý $ 80