Stockholders' Equity (Deficit) - Exchange Agreement (Details) - Exchange Agreement - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
LLC Units
Limited Partners' Capital Account [Line Items]
LLC Units exchanged by certain LLC Unitholders (in shares)	5.9	0.0	6.0	0.0
LLC Units received by Carvana Co. (in shares)	5.9	0.0	6.0	0.0
Class B Common Stock
Limited Partners' Capital Account [Line Items]
Shares of Class B common stock retired (in shares)	4.7	0.0	4.7	0.0
Class A Common Stock
Limited Partners' Capital Account [Line Items]
Newly issued Class A common stock (in shares)	4.7	0.0	4.8	0.0