XML 78 R67.htm IDEA: XBRL DOCUMENT v3.20.2
Financing Receivables - Collectively Evaluated Financing Receivables (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Maximum    
Financing receivables    
Reasonable and supportable economic forecast duration 2 years  
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment    
Financing receivables    
Financing receivables - credit allowance, including related off-balance sheet commitments)   $ 64