v3.26.1
Fair Value Measurement - Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financial assets:    
Investment securities held to maturity $ 2,737 $ 0
Loans held for sale 206 755
Level 1    
Financial assets:    
Cash and cash equivalents 4,834 3,031
Restricted cash for securitization investors 1,167 4,659
Investment securities held to maturity 390  
Net loans held for investment 0 0
Loans held for sale 0 0
Interest receivable 0 0
Other investments 0 0
Financial liabilities:    
Deposits with defined maturities 0 0
Securitized debt obligations 0 0
Senior and subordinated notes 0 0
Federal funds purchased and securities loaned or sold under agreements to repurchase 0 0
Other borrowings 0 0
Interest payable 0 0
Level 2    
Financial assets:    
Cash and cash equivalents 49,880 54,403
Restricted cash for securitization investors 0 0
Investment securities held to maturity 2,323  
Net loans held for investment 0 0
Loans held for sale 58 5
Interest receivable 3,432 3,492
Other investments 2,617 2,683
Financial liabilities:    
Deposits with defined maturities 101,886 105,309
Securitized debt obligations 8,573 12,955
Senior and subordinated notes 36,716 37,243
Federal funds purchased and securities loaned or sold under agreements to repurchase 694 587
Other borrowings 523 1,524
Interest payable 816 844
Level 3    
Financial assets:    
Cash and cash equivalents 0 0
Restricted cash for securitization investors 0 0
Investment securities held to maturity 0  
Net loans held for investment 444,126 438,783
Loans held for sale 0 0
Interest receivable 0 0
Other investments 0 0
Financial liabilities:    
Deposits with defined maturities 0 0
Securitized debt obligations 0 0
Senior and subordinated notes 0 0
Federal funds purchased and securities loaned or sold under agreements to repurchase 0 0
Other borrowings 0 0
Interest payable 0 0
Carrying Value    
Financial assets:    
Cash and cash equivalents 54,714 57,434
Restricted cash for securitization investors 1,167 4,659
Investment securities held to maturity 2,737  
Net loans held for investment 434,202 430,213
Loans held for sale 58 5
Interest receivable 3,432 3,492
Other investments 2,617 2,683
Financial liabilities:    
Deposits with defined maturities 101,957 105,010
Securitized debt obligations 8,502 12,853
Senior and subordinated notes 35,620 36,001
Federal funds purchased and securities loaned or sold under agreements to repurchase 694 587
Other borrowings 535 1,537
Interest payable 816 844
Estimated Fair Value    
Financial assets:    
Cash and cash equivalents 54,714 57,434
Restricted cash for securitization investors 1,167 4,659
Investment securities held to maturity 2,713  
Net loans held for investment 444,126 438,783
Loans held for sale 58 5
Interest receivable 3,432 3,492
Other investments 2,617 2,683
Financial liabilities:    
Deposits with defined maturities 101,886 105,309
Securitized debt obligations 8,573 12,955
Senior and subordinated notes 36,716 37,243
Federal funds purchased and securities loaned or sold under agreements to repurchase 694 587
Other borrowings 523 1,524
Interest payable $ 816 $ 844