v3.25.4
Fair Value Measurement - Schedule of Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total assets at fair value $ 16,033 $ 11,031
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total assets at fair value 1,068 0
Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total assets at fair value 14,938 10,969
Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total assets at fair value 27 62
Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Loans held for investment 2,784 2,469
Loans held for sale 24 335
Other assets 31 52
Total assets at fair value 2,839 2,856
Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Loans held for investment 0 0
Loans held for sale 0 0
Other assets 0 0
Total assets at fair value 0 0
Nonrecurring | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Loans held for investment 0 0
Loans held for sale 24 335
Other assets 0 0
Total assets at fair value 24 335
Nonrecurring | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Loans held for investment 2,784 2,469
Loans held for sale 0 0
Other assets 31 52
Total assets at fair value $ 2,815 $ 2,521