v3.21.2
Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
Sep. 30, 2021
Jun. 30, 2021
Accounting Policies [Abstract]    
Other receivables due from suppliers $ 854 $ 965
Long-term accounts receivable, net of allowance for doubtful accounts 3,400 3,400
Financing receivables, net $ 3,800 $ 4,400