v3.26.1
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Notional Amounts and Gross Fair Values (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Notional amount $ 14,714 $ 15,349
Derivative asset, not offset against collateral 66 64
Derivative liability, not offset against collateral 21 51
Derivative asset, not subject to master netting arrangement 21 58
Not subject to master netting arrangement 175 157
Fair value, asset 87 122
Fair value, liability 196 208
Interest rate contracts – designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not offset against collateral 0 13
Derivative liability, not offset against collateral 4 0
Interest rate swaps – not designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not offset against collateral 66 51
Derivative liability, not offset against collateral 17 51
Derivative asset, not subject to master netting arrangement 17 51
Not subject to master netting arrangement 173 155
Interest rate lock commitments – not designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not subject to master netting arrangement 3 7
Not subject to master netting arrangement 0 0
Forward delivery commitments – not designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not subject to master netting arrangement 1 0
Not subject to master netting arrangement 2 2
Credit risk contracts – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 509  
Derivative asset, not subject to master netting arrangement 0 0
Not subject to master netting arrangement 0 0
Subject to master netting arrangements:    
Derivatives, Fair Value [Line Items]    
Notional amount 7,381 7,714
Subject to master netting arrangements: | Interest rate contracts – designated    
Derivatives, Fair Value [Line Items]    
Notional amount 1,500 1,650
Subject to master netting arrangements: | Interest rate swaps – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 5,881 6,064
Not subject to master netting arrangements:    
Derivatives, Fair Value [Line Items]    
Notional amount 7,333 7,635
Not subject to master netting arrangements: | Interest rate swaps – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 5,881 6,064
Not subject to master netting arrangements: | Interest rate lock commitments – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 276 298
Not subject to master netting arrangements: | Forward delivery commitments – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 417 458
Not subject to master netting arrangements: | Credit risk contracts – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount $ 759 $ 815