XML 20 R68.htm IDEA: XBRL DOCUMENT v3.20.1
Components of Lease Expense (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Leases [Abstract]        
Operating lease cost $ 522 $ 431 $ 1,465 $ 1,254
Finance lease cost:        
Amortization of right-of-use assets 135 100 423 262
Interest on lease liabilities 87 65 249 179
Total finance lease cost $ 222 $ 165 $ 672 $ 441