v3.26.1
Investment Securities - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities [1] $ 89,085 $ 90,838
Allowance for credit loss on held-to-maturity securities 0  
Asset Pledged as Collateral    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities 14,500 17,200
Asset Pledged as Collateral with Right    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities 265 294
Available-for-sale and held-to-maturity securities $ 265 $ 294
[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.