v3.26.1
FAIR VALUE ELECTIONS - Valuation Adjustments, Fair Value Option for Financial Assets and Financial Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Fair Value Option Quantitative Disclosures          
Gain (loss) on change in estimated fair value of debt liabilities due to change in company's own credit risk $ (1,403) $ (391) $ 429 $ 609  
Balance of non-accrual loans or loans more than 90 days past due 1   1   $ 1
Aggregate unpaid principal balance in excess of fair value for non-accrual loans or loans more than 90 days past due 0   0   0
Certain loans and other credit product          
Fair Value Option Quantitative Disclosures          
Changes in fair value due to instrument-specific credit risk loss 1 $ (7)      
Certain loans and other credit product | Trading assets          
Fair Value Option Quantitative Disclosures          
Aggregate unpaid principal balance in excess of (less than) fair value 97   97   149
Balance of non-accrual loans or loans more than 90 days past due 0   0   0
Aggregate unpaid principal balance in excess of fair value for non-accrual loans or loans more than 90 days past due 0   0   0
Certain loans and other credit product | Loans          
Fair Value Option Quantitative Disclosures          
Aggregate unpaid principal balance in excess of (less than) fair value (27)   (27)   (176)
Balance of non-accrual loans or loans more than 90 days past due 1   1   2
Aggregate unpaid principal balance in excess of fair value for non-accrual loans or loans more than 90 days past due 0   0   0
Mortgage receivable          
Fair Value Option Quantitative Disclosures          
Aggregate unpaid principal balance in excess of (less than) fair value 9   9   18
Carrying amount | Certain loans and other credit product | Trading assets          
Fair Value Option Quantitative Disclosures          
Carrying amount reported on the Consolidated Balance Sheet 5,495   5,495   4,902
Carrying amount | Certain loans and other credit product | Loans          
Fair Value Option Quantitative Disclosures          
Carrying amount reported on the Consolidated Balance Sheet 8,230   8,230   6,855
Carrying amount | Loans held-for-sale          
Fair Value Option Quantitative Disclosures          
Carrying amount reported on the Consolidated Balance Sheet 973   973   923
Fair value | Certain loans and other credit product          
Fair Value Option Quantitative Disclosures          
Unfunded lending commitments $ 0   $ 0   $ 225