v3.19.2
Components of Lease Expense (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Leases [Abstract]      
Operating lease cost $ 1,707 $ 1,585 $ 1,412
Finance lease cost:      
Amortization of right-of-use assets 370 243 104
Interest on lease liabilities 247 175 68
Total finance lease cost $ 617 $ 418 $ 172