Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Level??3 Investments at Fair Value (Details)

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Fair Value Measurements - Schedule of Level 3 Investments at Fair Value (Details) - Securitization residual assets - Level 3 - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance, beginning of period $ 220 $ 193 $ 219 $ 177
Accretion of securitization residual assets 4 4 8 7
Additions to securitization residual assets 21 21 28 26
Collections of securitization residual assets (2) (9) (5) (10)
Unrealized gains (losses) on securitization residual assets recorded in OCI (5) (5) (12) 4
Balance, end of period $ 238 $ 204 $ 238 $ 204