Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details)

v3.8.0.1
Intangible Assets (Amortization Expense For The Next Five Fiscal Years) (Details)
$ in Millions
Dec. 31, 2017
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2017 $ 401
2018 236
2019 162
2020 129
2021 $ 77