XML 131 R65.htm IDEA: XBRL DOCUMENT v3.20.2
Loan Sale and Servicing Activities and Variable Interest Entities (Cash Flows Associated with Loan Sale and Servicing Activities) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Residential Mortgages    
Cash flows from sales of loans $ 4,259 $ 4,474
Cash flows from repurchases of previously transferred loans 321 393
Cash flows from servicing fees 352 362
Cash flows from servicing advances recovered 45 45
Cash flows on mortgage-backed securities held 4,362 1,964
Carrying value of mortgage-backed securities held 17,800 13,300
Commercial Mortgages    
Cash flows from sales of loans 3,540 4,140
Cash flows from repurchases of previously transferred loans 30 32
Cash flows from servicing fees 130 135
Cash flows from servicing advances (funded) 63 3
Cash flows on mortgage-backed securities held 84 109
Carrying value of mortgage-backed securities held $ 600 $ 600