XML 77 R59.htm IDEA: XBRL DOCUMENT v3.6.0.2
Goodwill And Other Intangibles (Estimated Future Aggregate Amortization Expense) (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2017 $ 148  
2018 141  
2019 134  
2020 120  
2021 107  
Subsequent years 476  
Net Carrying Amount $ 1,126 $ 1,036