v3.5.0.2
Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Finite-Lived Intangible Assets [Line Items]    
Intangible assets amortization expense $ 214 $ 242
Amortization of capitalized software $ 14 $ 18