v3.26.3
DERIVATIVES - Schedule of Financial Assets Eligible for Offset (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets $ 1,731 $ 672
Gross Amounts Offset in the Condensed Consolidated Balance Sheets 0 0
Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets 1,731  
Gross amounts not offset in the condensed consolidated balance sheets, financial instruments (12) 0
Gross amounts not offset in the condensed consolidated balance sheets, cash collateral received (1,145) (79)
Gross amounts not offset in the condensed consolidated balance sheets, net amount 574 593
Total derivatives not subject to a master netting arrangement or similar arrangement 10  
Total derivatives not subject to a master netting arrangement or similar arrangement 0  
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, cash collateral received 0  
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, net amount 10  
Gross amounts of recognized assets, total derivative assets 1,741  
Gross amounts offset in the condensed consolidated balance sheets, total derivative assets 0  
Other assets - derivatives 1,741 $ 672
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, total derivative assets, financial instruments (12)  
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, total derivative assets, cash collateral received (1,145)  
Gross amounts not offset in the condensed consolidated balance sheets, net amount, total derivative assets, net amount $ 584  
Derivate asset, statement of financial position, extensible enumeration not disclosed flag Total Derivative Assets Total Derivative Assets
Other derivative activities    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets $ 1,649 $ 592
Gross Amounts Offset in the Condensed Consolidated Balance Sheets 0 0
Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets 1,649 592
Gross amounts not offset in the condensed consolidated balance sheets, financial instruments (12) 0
Gross amounts not offset in the condensed consolidated balance sheets, cash collateral received (1,145) (41)
Gross amounts not offset in the condensed consolidated balance sheets, net amount 492 551
Fair value hedges    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 81 17
Gross Amounts Offset in the Condensed Consolidated Balance Sheets 0 0
Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets 81 17
Gross amounts not offset in the condensed consolidated balance sheets, financial instruments 0 0
Gross amounts not offset in the condensed consolidated balance sheets, cash collateral received 0 (7)
Gross amounts not offset in the condensed consolidated balance sheets, net amount 81 10
Cash flow hedges    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 1 63
Gross Amounts Offset in the Condensed Consolidated Balance Sheets 0 0
Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets 1 63
Gross amounts not offset in the condensed consolidated balance sheets, financial instruments 0 0
Gross amounts not offset in the condensed consolidated balance sheets, cash collateral received 0 (31)
Gross amounts not offset in the condensed consolidated balance sheets, net amount $ 1 $ 32