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Trade and Other Receivables - Summary of Trade and Other Receivables (Detail) - USD ($)
$ in Millions
Jun. 30, 2018
Jun. 30, 2017
Trade and other receivables [abstract]    
Trade receivables $ 1,857 $ 1,855
Loans to equity accounted investments 13 644
Other receivables 1,406 1,140
Total 3,276 3,639
Current 3,096 2,836
Non-current $ 180 $ 803