Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Narrative) (Details)

v3.7.0.1
Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of Intangible Assets $ 162 $ 176