v3.26.3
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Notional Amounts and Gross Fair Values (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Notional amount $ 14,923 $ 15,349
Derivative asset, not offset against collateral 148 64
Derivative liability, not offset against collateral 25 51
Derivative asset, not subject to master netting arrangement 11 58
Not subject to master netting arrangement 284 157
Fair value, asset 159 122
Fair value, liability 309 208
Interest rate contracts – designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not offset against collateral 0 13
Derivative liability, not offset against collateral 24 0
Interest rate swaps – not designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not offset against collateral 148 51
Derivative liability, not offset against collateral 1 51
Derivative asset, not subject to master netting arrangement 1 51
Not subject to master netting arrangement 278 155
Interest rate lock commitments – not designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not subject to master netting arrangement 0 7
Not subject to master netting arrangement 6 0
Forward delivery commitments – not designated    
Derivatives, Fair Value [Line Items]    
Derivative asset, not subject to master netting arrangement 10 0
Not subject to master netting arrangement 0 2
Credit risk contracts – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 497  
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 7,647 7,714
Subject to master netting arrangements: | Interest rate contracts – designated    
Derivatives, Fair Value [Line Items]    
Notional amount 1,750 1,650
Subject to master netting arrangements: | Interest rate swaps – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 5,897 6,064
Not subject to master netting arrangements:    
Derivatives, Fair Value [Line Items]    
Notional amount 7,276 7,635
Not subject to master netting arrangements: | Interest rate swaps – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 5,897 6,064
Not subject to master netting arrangements: | Interest rate lock commitments – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 260 298
Not subject to master netting arrangements: | Forward delivery commitments – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount 371 458
Not subject to master netting arrangements: | Credit risk contracts – not designated    
Derivatives, Fair Value [Line Items]    
Notional amount $ 748 $ 815