v3.26.1
Fair Value Measurement - Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Financial assets:    
Amortized Cost Basis $ 1,694 $ 0
Loans held for sale 169 755
Level 1    
Financial assets:    
Cash and cash equivalents 4,555 3,031
Restricted cash for securitization investors 2,762 4,659
Amortized Cost Basis 393  
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 71,939 54,403
Restricted cash for securitization investors 0 0
Amortized Cost Basis 1,291  
Net loans held for investment 0 0
Loans held for sale 17 5
Interest receivable 3,460 3,492
Other investments 2,664 2,683
Financial liabilities:    
Deposits with defined maturities 105,435 105,309
Securitized debt obligations 11,357 12,955
Senior and subordinated notes 39,190 37,243
Federal funds purchased and securities loaned or sold under agreements to repurchase 626 587
Other borrowings 1,523 1,524
Interest payable 827 844
Level 3    
Financial assets:    
Cash and cash equivalents 0 0
Restricted cash for securitization investors 0 0
Amortized Cost Basis 0  
Net loans held for investment 434,534 438,783
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 76,494 57,434
Restricted cash for securitization investors 2,762 4,659
Amortized Cost Basis 1,694  
Net loans held for investment 424,124 430,213
Loans held for sale 17 5
Interest receivable 3,460 3,492
Other investments 2,664 2,683
Financial liabilities:    
Deposits with defined maturities 105,312 105,010
Securitized debt obligations 11,283 12,853
Senior and subordinated notes 38,421 36,001
Federal funds purchased and securities loaned or sold under agreements to repurchase 626 587
Other borrowings 1,536 1,537
Interest payable 827 844
Estimated Fair Value    
Financial assets:    
Cash and cash equivalents 76,494 57,434
Restricted cash for securitization investors 2,762 4,659
Amortized Cost Basis 1,684  
Net loans held for investment 434,534 438,783
Loans held for sale 17 5
Interest receivable 3,460 3,492
Other investments 2,664 2,683
Financial liabilities:    
Deposits with defined maturities 105,435 105,309
Securitized debt obligations 11,357 12,955
Senior and subordinated notes 39,190 37,243
Federal funds purchased and securities loaned or sold under agreements to repurchase 626 587
Other borrowings 1,523 1,524
Interest payable $ 827 $ 844