XML 58 R48.htm IDEA: XBRL DOCUMENT v3.25.3
Investment Securities - Amortized Cost, Fair Value and Yield by Maturity Date (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Amortized Cost          
Amortized Cost [1] $ 76,931   $ 76,931   $ 78,634
Fair Value          
Fair Value $ 67,346   $ 67,346   $ 66,275
Weighted- Average Maturity in Years          
Total     8 years 1 month 6 days    
Weighted-Average Yield          
Total 2.31%   2.31%   2.20%
Weighted average maturity of total held to maturity investment securities         8 years 8 months 12 days
Amortized Cost          
Amortized Cost $ 93,817   $ 93,817    
Fair Value          
Fair Value [1] $ 89,065   $ 89,065   $ 85,992
Weighted- Average Maturity in Years          
Total     6 years   6 years 9 months 18 days
Weighted-Average Yield          
Total 3.59%   3.59%   3.67%
Federal statutory rate 21.00% 21.00% 21.00% 21.00%  
Portfolio basis adjustments excluded from amortized cost $ 304   $ 304    
U.S. Treasury and agencies          
Amortized Cost          
Maturing in one year or less 0   0    
Maturing after one year through five years 647   647    
Maturing after five years through ten years 0   0    
Maturing after ten years 0   0    
Amortized Cost 647   647   $ 1,296
Fair Value          
Maturing in one year or less 0   0    
Maturing after one year through five years 641   641    
Maturing after five years through ten years 0   0    
Maturing after ten years 0   0    
Fair Value $ 641   $ 641   1,275
Weighted- Average Maturity in Years          
Maturing after one year through five years     1 year 7 months 6 days    
Total     1 year 7 months 6 days    
Weighted-Average Yield          
Maturing in one year or less 0.00%   0.00%    
Maturing after one year through five years 3.00%   3.00%    
Maturing after five years through ten years 0.00%   0.00%    
Maturing after ten years 0.00%   0.00%    
Total 3.00%   3.00%    
Maturing in one year or less     1 month 6 days    
Amortized Cost          
Maturing in one year or less $ 10   $ 10    
Maturing after one year through five years 15,513   15,513    
Maturing after five years through ten years 12,843   12,843    
Maturing after ten years 190   190    
Amortized Cost 28,556   28,556    
Fair Value          
Maturing in one year or less 10   10    
Maturing after one year through five years 14,986   14,986    
Maturing after five years through ten years 11,924   11,924    
Maturing after ten years 148   148    
Fair Value $ 27,068   $ 27,068   28,387
Weighted- Average Maturity in Years          
Maturing in one year or less     1 month 6 days    
Maturing after one year through five years     2 years 9 months 18 days    
Maturing after five years through ten years     6 years 1 month 6 days    
Maturing after ten years     10 years 2 months 12 days    
Total     4 years 3 months 18 days    
Weighted-Average Yield          
Maturing in one year or less 4.11%   4.11%    
Maturing after one year through five years 2.38%   2.38%    
Maturing after five years through ten years 2.75%   2.75%    
Maturing after ten years 1.86%   1.86%    
Total 2.54%   2.54%    
Mortgage-backed securities          
Amortized Cost          
Maturing in one year or less $ 244   $ 244    
Maturing after one year through five years 3,356   3,356    
Maturing after five years through ten years 72,415   72,415    
Maturing after ten years 7   7    
Amortized Cost 76,022   76,022    
Fair Value          
Maturing in one year or less 246   246    
Maturing after one year through five years 3,407   3,407    
Maturing after five years through ten years 62,780   62,780    
Maturing after ten years 7   7    
Fair Value $ 66,440   $ 66,440    
Weighted- Average Maturity in Years          
Maturing in one year or less     7 months 6 days    
Maturing after one year through five years     4 years    
Maturing after five years through ten years     8 years 4 months 24 days    
Maturing after ten years     18 years 7 months 6 days    
Total     8 years 2 months 12 days    
Weighted-Average Yield          
Maturing in one year or less 4.81%   4.81%    
Maturing after one year through five years 4.96%   4.96%    
Maturing after five years through ten years 2.17%   2.17%    
Maturing after ten years 1.81%   1.81%    
Total 2.31%   2.31%    
Maturing in one year or less     9 months 18 days    
Amortized Cost          
Maturing in one year or less $ 364   $ 364    
Maturing after one year through five years 12,162   12,162    
Maturing after five years through ten years 34,818   34,818    
Maturing after ten years 239   239    
Amortized Cost 47,583   47,583    
Fair Value          
Maturing in one year or less 358   358    
Maturing after one year through five years 11,673   11,673    
Maturing after five years through ten years 33,119   33,119    
Maturing after ten years 228   228    
Fair Value $ 45,378   $ 45,378    
Weighted- Average Maturity in Years          
Maturing in one year or less     9 months 18 days    
Maturing after one year through five years     4 years 6 months    
Maturing after five years through ten years     6 years 9 months 18 days    
Maturing after ten years     10 years 9 months 18 days    
Total     6 years 2 months 12 days    
Weighted-Average Yield          
Maturing in one year or less 1.95%   1.95%    
Maturing after one year through five years 3.44%   3.44%    
Maturing after five years through ten years 4.13%   4.13%    
Maturing after ten years 5.38%   5.38%    
Total 3.94%   3.94%    
Asset-backed securities          
Amortized Cost          
Maturing in one year or less $ 10   $ 10    
Maturing after one year through five years 2,629   2,629    
Maturing after five years through ten years 4,203   4,203    
Maturing after ten years 0   0    
Amortized Cost 6,842   6,842    
Fair Value          
Maturing in one year or less 10   10    
Maturing after one year through five years 2,641   2,641    
Maturing after five years through ten years 4,214   4,214    
Maturing after ten years 0   0    
Fair Value $ 6,865   $ 6,865   7,165
Weighted- Average Maturity in Years          
Maturing after one year through five years     2 years    
Maturing after five years through ten years     5 years 6 months    
Total     4 years 2 months 12 days    
Weighted-Average Yield          
Maturing in one year or less 7.04%   7.04%    
Maturing after one year through five years 4.85%   4.85%    
Maturing after five years through ten years 5.67%   5.67%    
Maturing after ten years 0.00%   0.00%    
Total 5.36%   5.36%    
Obligations of state and political subdivisions          
Weighted-Average Yield          
Maturing in one year or less     4 months 24 days    
Amortized Cost          
Maturing in one year or less $ 450   $ 450    
Maturing after one year through five years 1,805   1,805    
Maturing after five years through ten years 1,174   1,174    
Maturing after ten years 7,142   7,142    
Amortized Cost 10,571   10,571    
Fair Value          
Maturing in one year or less 450   450    
Maturing after one year through five years 1,797   1,797    
Maturing after five years through ten years 1,105   1,105    
Maturing after ten years 6,134   6,134    
Fair Value $ 9,486   $ 9,486   9,552
Weighted- Average Maturity in Years          
Maturing in one year or less     4 months 24 days    
Maturing after one year through five years     2 years 3 months 18 days    
Maturing after five years through ten years     7 years 7 months 6 days    
Maturing after ten years     14 years 6 months    
Total     11 years 1 month 6 days    
Weighted-Average Yield          
Maturing in one year or less 4.32%   4.32%    
Maturing after one year through five years 4.47%   4.47%    
Maturing after five years through ten years 3.46%   3.46%    
Maturing after ten years 3.49%   3.49%    
Total 3.69%   3.69%    
Other          
Amortized Cost          
Maturing in one year or less $ 55   $ 55    
Maturing after one year through five years 207   207    
Maturing after five years through ten years 0   0    
Maturing after ten years 0   0    
Amortized Cost 262   262   244
Fair Value          
Maturing in one year or less 55   55    
Maturing after one year through five years 210   210    
Maturing after five years through ten years 0   0    
Maturing after ten years 0   0    
Fair Value $ 265   $ 265   247
Weighted- Average Maturity in Years          
Maturing in one year or less     9 months 18 days    
Maturing after one year through five years     1 year 10 months 24 days    
Total     1 year 8 months 12 days    
Weighted-Average Yield          
Maturing in one year or less 2.73%   2.73%    
Maturing after one year through five years 2.67%   2.67%    
Maturing after five years through ten years 0.00%   0.00%    
Maturing after ten years 0.00%   0.00%    
Total 2.68%   2.68%    
Maturing in one year or less     7 months 6 days    
Amortized Cost          
Maturing in one year or less $ 109   $ 109    
Maturing after one year through five years 156   156    
Maturing after five years through ten years 0   0    
Maturing after ten years 0   0    
Amortized Cost 265   265    
Fair Value          
Maturing in one year or less 109   109    
Maturing after one year through five years 159   159    
Maturing after five years through ten years 0   0    
Maturing after ten years 0   0    
Fair Value $ 268   $ 268   $ 250
Weighted- Average Maturity in Years          
Maturing in one year or less     7 months 6 days    
Maturing after one year through five years     2 years 3 months 18 days    
Total     1 year 7 months 6 days    
Weighted-Average Yield          
Maturing in one year or less 4.96%   4.96%    
Maturing after one year through five years 4.54%   4.54%    
Maturing after five years through ten years 0.00%   0.00%    
Maturing after ten years 0.00%   0.00%    
Total 4.71%   4.71%    
[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.