XML 82 R65.htm IDEA: XBRL DOCUMENT v3.19.2
Securities - Investment Securities (Parenthetical) (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Investment Holdings [Line Items]    
FHLB, restricted stock holdings $ 100 $ 184
FRB, restricted stock holdings 444 366
Available-for-sale debt and other securities 35,753 32,830
DTCC, restricted stock holdings $ 2 $ 2