v3.26.3
FAIR VALUE - Valuation Processes and Techniques - Financial Instruments (Narrative) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Gross amounts offset $ (23,661) $ (20,396)
Level 2 | Fair Value    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Fair value of underlying collateral $ 45,900