XML 59 R49.htm IDEA: XBRL DOCUMENT v3.22.1
Leases - Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Leases [Abstract]    
Cash paid for amounts included in the measurement of operating lease liabilities $ 29 $ 29
Right-of-use assets obtained in exchange for operating lease obligations $ 6 $ 8