v3.26.1
Investment securities - Maturity Distribution and Yield of Investment Securities Portfolio (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Securities available-for-sale, Amount:    
Within 1 year $ 8,557  
1-5 years 51,513  
5-10 years 4,888  
After 10 years 2,021  
Fair value $ 107,400 $ 102,106
Securities available-for-sale (Yield):    
Within 1 year 3.27%  
1-5 years 3.34%  
5-10 years 3.32%  
After 10 years 2.97%  
Total 3.52%  
Securities held-to-maturity, Amount:    
Within 1 year $ 4,279  
1-5 years 10,022  
5-10 years 281  
After 10 years 26  
Available-for-sale, amount $ 48,256 48,094
Securities held-to-maturity (Yield):    
Within 1 year 1.76%  
1-5 years 1.93%  
5-10 years 2.07%  
After 10 years 2.22%  
Total 2.52%  
Total securities $ 12,836  
Total securities (percent) 2.76%  
Total securities $ 61,535  
Total securities (percent) 3.12%  
Total securities $ 5,169  
Total securities (percent) 3.26%  
Total securities $ 2,047  
Total securities (percent) 2.96%  
Total securities $ 155,656  
Total securities (percent) 3.21%  
Non-U.S. government    
Securities available-for-sale, Amount:    
Within 1 year $ 4,443  
1-5 years 19,383  
5-10 years 3,721  
After 10 years 117  
Fair value $ 27,664 28,568
Securities available-for-sale (Yield):    
Within 1 year 3.42%  
1-5 years 3.33%  
5-10 years 3.40%  
After 10 years 3.37%  
Total 3.35%  
Securities held-to-maturity, Amount:    
Within 1 year $ 1,137  
1-5 years 4,102  
5-10 years 34  
After 10 years 0  
Available-for-sale, amount $ 5,273 5,654
Securities held-to-maturity (Yield):    
Within 1 year 2.63%  
1-5 years 2.70%  
5-10 years 2.65%  
After 10 years 0.00%  
Total 2.69%  
U.S. Treasury    
Securities available-for-sale, Amount:    
Within 1 year $ 2,363  
1-5 years 25,475  
5-10 years 150  
After 10 years 1,904  
Fair value $ 29,892 25,711
Securities available-for-sale (Yield):    
Within 1 year 2.85%  
1-5 years 3.36%  
5-10 years 4.54%  
After 10 years 2.94%  
Total 3.30%  
Securities held-to-maturity, Amount:    
Within 1 year $ 2,465  
1-5 years 3,658  
5-10 years 0  
After 10 years 0  
Available-for-sale, amount $ 6,123 7,830
Securities held-to-maturity (Yield):    
Within 1 year 1.31%  
1-5 years 1.19%  
5-10 years 0.00%  
After 10 years 0.00%  
Total 1.24%  
Foreign covered bonds    
Securities available-for-sale, Amount:    
Within 1 year $ 1,622  
1-5 years 5,712  
5-10 years 551  
After 10 years 0  
Fair value $ 7,885 8,068
Securities available-for-sale (Yield):    
Within 1 year 3.47%  
1-5 years 3.32%  
5-10 years 3.12%  
After 10 years 0.00%  
Total 3.33%  
Securities held-to-maturity, Amount:    
Within 1 year $ 269  
1-5 years 419  
5-10 years 0  
After 10 years 0  
Available-for-sale, amount $ 688 736
Securities held-to-maturity (Yield):    
Within 1 year 2.53%  
1-5 years 2.60%  
5-10 years 0.00%  
After 10 years 0.00%  
Total 2.57%  
U.S. government agencies    
Securities available-for-sale, Amount:    
Within 1 year $ 129  
1-5 years 943  
5-10 years 466  
After 10 years 0  
Fair value $ 1,538 1,554
Securities available-for-sale (Yield):    
Within 1 year 3.37%  
1-5 years 3.46%  
5-10 years 2.57%  
After 10 years 0.00%  
Total 3.18%  
Securities held-to-maturity, Amount:    
Within 1 year $ 408  
1-5 years 1,843  
5-10 years 236  
After 10 years 26  
Available-for-sale, amount $ 2,513 2,653
Securities held-to-maturity (Yield):    
Within 1 year 1.50%  
1-5 years 1.53%  
5-10 years 1.86%  
After 10 years 2.22%  
Total 1.56%  
Other debt securities    
Securities held-to-maturity, Amount:    
Within 1 year $ 0  
1-5 years 0  
5-10 years 11  
After 10 years 0  
Available-for-sale, amount $ 11 11
Securities held-to-maturity (Yield):    
Within 1 year 0.00%  
1-5 years 0.00%  
5-10 years 4.75%  
After 10 years 0.00%  
Total 4.75%  
Agency residential mortgage-backed securities (“RMBS”)    
Securities available-for-sale, Amount:    
Fair value $ 22,955 21,220
Securities available-for-sale (Yield):    
Total 3.92%  
Securities held-to-maturity, Amount:    
Available-for-sale, amount $ 29,099 26,432
Securities held-to-maturity (Yield):    
Total 2.66%  
Agency commercial mortgage-backed securities (“MBS”)    
Securities available-for-sale, Amount:    
Fair value $ 6,659 6,780
Securities available-for-sale (Yield):    
Total 3.16%  
Securities held-to-maturity, Amount:    
Available-for-sale, amount $ 2,707 2,937
Securities held-to-maturity (Yield):    
Total 2.79%  
Non-agency commercial MBS    
Securities available-for-sale, Amount:    
Fair value $ 1,967 2,196
Securities available-for-sale (Yield):    
Total 2.75%  
Non-agency RMBS    
Securities available-for-sale, Amount:    
Fair value $ 1,524 1,515
Securities available-for-sale (Yield):    
Total 3.51%  
Collateralized loan obligations (“CLOs”)    
Securities available-for-sale, Amount:    
Fair value $ 7,003 6,118
Securities available-for-sale (Yield):    
Total 4.76%  
Securities held-to-maturity, Amount:    
Available-for-sale, amount $ 1,842 1,841
Securities held-to-maturity (Yield):    
Total 4.97%  
Other asset-backed securities (“ABS”)    
Securities available-for-sale, Amount:    
Fair value $ 313 $ 376
Securities available-for-sale (Yield):    
Total 2.39%