XML 50 R41.htm IDEA: XBRL DOCUMENT v3.22.2.2
Investment Securities (Summary Of Investment Securities In Unrealized Loss Positions) (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Less than 12 months, Fair Value $ 13,218 $ 8,008
Less than 12 Months, Unrealized Losses 1,729 140
12 months or more, Fair Value 6,228 2,462
12 Months or more, Unrealized Losses 1,378 81
Total, Fair Value 19,446 10,470
Total, Unrealized Losses 3,107 221
U.S. Treasury and other U.S. government agency securities    
Less than 12 months, Fair Value 1,093 465
Less than 12 Months, Unrealized Losses 8 6
12 months or more, Fair Value 1,663 1,334
12 Months or more, Unrealized Losses 154 33
Total, Fair Value 2,756 1,799
Total, Unrealized Losses 162 39
Residential Mortgage Backed Securities    
Less than 12 months, Fair Value [1] 7,648 7,197
Less than 12 Months, Unrealized Losses [1] 1,157 128
12 months or more, Fair Value [1] 4,398 1,128
12 Months or more, Unrealized Losses [1] 1,181 48
Total, Fair Value [1] 12,046 8,325
Total, Unrealized Losses [1] 2,338 176
Commercial Mortgage Backed Securities    
Less than 12 months, Fair Value [1] 4,477 346
Less than 12 Months, Unrealized Losses [1] 564 6
12 months or more, Fair Value [1] 167 0
12 Months or more, Unrealized Losses [1] 43 0
Total, Fair Value [1] 4,644 346
Total, Unrealized Losses [1] $ 607 $ 6
[1] Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.