Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets Finite-lived intangible assets (Details)

v2.4.0.8
Intangible Assets Finite-lived intangible assets (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]          
Amortization of Intangible Assets $ 55 $ 9      
Finite-Lived Intangible Assets, Accumulated Amortization     (513)   (458)
Finite-Lived Intangible Assets, Gross     1,500   566
Finite-Lived Intangible Assets, Net 987 987 987 108 108
Minimum [Member]
          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Asset, Useful Life   6 years      
Maximum [Member]
          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Asset, Useful Life   15 years      
Customer Relationships [Member]
          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Assets, Accumulated Amortization     (45)   (23)
Finite-Lived Intangible Assets, Gross     621   51
Finite-Lived Intangible Assets, Net     576   28
Licensing Agreements [Member]
          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Assets, Accumulated Amortization     (28)   0
Finite-Lived Intangible Assets, Gross     329   0
Finite-Lived Intangible Assets, Net     301   0
Other Intangible Assets [Member]
          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Assets, Accumulated Amortization     (440)   (435)
Finite-Lived Intangible Assets, Gross     550   515
Finite-Lived Intangible Assets, Net     $ 110   $ 80