Annual report [Section 13 and 15(d), not S-K Item 405]

Derivatives - Designated Fair Value Hedged Assets and Liabilities (Details)

v3.25.4
Derivatives - Designated Fair Value Hedged Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivative [Line Items]    
Hedged Liability, Statement of Financial Position [Extensible Enumeration] Long-term debt Long-term debt
Hedged liability, long-term debt, carrying value $ 175,694 $ 188,202
Hedged liability, long-term debt, cumulative fair value adjustments (792) (7,263)
Amortized cost basis of portfolios used in hedging relationships 35,800 34,800
Hedged asset, portfolio layer 23,700 26,100
Cumulative basis adjustments, decrease, hedging relationships 46 435
Available-for-sale debt securities    
Derivative [Line Items]    
Hedged asset, available-for-sale debt securities and trading account assets, carrying value 236,303 244,664
Hedged asset, available-for-sale debt securities, cumulative fair value adjustments 146 (4,764)
Trading account assets    
Derivative [Line Items]    
Hedged asset, available-for-sale debt securities and trading account assets, carrying value 12,170 3,639
Hedged asset, available-for-sale debt securities, cumulative fair value adjustments $ 294 $ 101