Non-Controlling Interests - Schedule of Effects of Changes in Ownership in Carvana Group on Equity (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Noncontrolling Interest [Abstract] | ||
| Decrease as a result of issuances of Class A and B common stock | $ 0 | $ (155) |
| Increase (Decrease) as a result of exchanges of LLC Units and adjustments to non-controlling interests related to RSU vesting and NQSO exercises | 6 | (10) |
| Total transfers from (to) non-controlling interests | $ 6 | $ (165) |