XML 18 R88.htm IDEA: XBRL DOCUMENT v3.20.1
OTHER BORROWINGS, Schedule of Other Borrowings (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Sep. 30, 2019
Other Borrowings [Line Items]    
Total other borrowings $ 891 $ 894
Mortgage notes payable and other    
Other Borrowings [Line Items]    
Long-term debt 16 19
FHLB advances    
Other Borrowings [Line Items]    
Long-term line of credit $ 875 $ 875