Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Narrative) (Details)

v2.3.0.15
Intangible Assets (Narrative) (Details) (USD $)
In Millions
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization expense for intangible assets with finite useful lives $ 333 $ 316