XML 99 R84.htm IDEA: XBRL DOCUMENT v3.7.0.1
Intangible Assets (Estimated Amortization Expense Other Intangible Assets) (Detail) - Other Intangible Assets
$ in Millions
Mar. 31, 2017
USD ($)
Finite-Lived Intangible Assets  
Remainder of 2017 $ 1
2018 2
2019 2
2020 1
2021 $ 1