XML 80 R64.htm IDEA: XBRL DOCUMENT v3.22.4
Investment Securities (Summary Of Investment Securities In Unrealized Loss Positions) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Less than 12 Months, Fair Value $ 8,504 $ 8,008
Less than 12 Months, Unrealized Losses 771 140
12 Months or more, Fair Value 10,506 2,462
12 Months or more, Unrealized Losses 2,262 81
Total, Fair Value 19,010 10,470
Total, Unrealized Losses 3,033 221
U.S. Treasury and other U.S. government agency securities    
Less than 12 Months, Fair Value 996 465
Less than 12 Months, Unrealized Losses 5 6
12 Months or more, Fair Value 1,668 1,334
12 Months or more, Unrealized Losses 141 33
Total, Fair Value 2,664 1,799
Total, Unrealized Losses 146 39
Residential mortgage-backed securities    
Less than 12 Months, Fair Value [1] 3,500 7,197
Less than 12 Months, Unrealized Losses [1] 361 128
12 Months or more, Fair Value [1] 8,153 1,128
12 Months or more, Unrealized Losses [1] 1,967 48
Total, Fair Value [1] 11,653 8,325
Total, Unrealized Losses [1] 2,328 176
Commercial Mortgage Backed Securities    
Less than 12 Months, Fair Value [1] 4,008 346
Less than 12 Months, Unrealized Losses [1] 405 6
12 Months or more, Fair Value [1] 685 0
12 Months or more, Unrealized Losses [1] 154 0
Total, Fair Value [1] 4,693 346
Total, Unrealized Losses [1] $ 559 $ 6
[1] Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.