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Income Taxes - Schedule of (Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) Attributable to Jurisdictions (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]      
U.S. $ 84 $ (125) $ 148
Foreign (699) 306 404
(Loss) income from continuing operations before income tax (expense) benefit $ (615) $ 181 $ 552