v3.25.2
Related Party Transactions - Lease Agreements (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2017
renewal_option
Nov. 30, 2014
renewal_option
center
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
renewal_option
Jun. 30, 2024
USD ($)
Related Party Transaction [Line Items]            
Number of inspection and reconditioning centers leased | center   2        
Total operating lease costs | $     $ 17 $ 15 $ 34 $ 32
Building            
Related Party Transaction [Line Items]            
Operating lease, number of renewal options         1  
DriveTime Automotive Group, Inc. | Blue Mound, Texas | Building | Lease Agreement for Fully-Operational Inspection and Reconditioning Center | Related Party            
Related Party Transaction [Line Items]            
Operating lease, number of renewal options   2        
Operating leases, renewal term   5 years        
DriveTime Automotive Group, Inc. | Delanco, New Jersey | Building | Lease Agreement for Fully-Operational Inspection and Reconditioning Center | Related Party            
Related Party Transaction [Line Items]            
Operating lease, number of renewal options   1        
Operating leases, renewal term   6 years        
DriveTime Automotive Group, Inc. | Winder, Georgia | Building | Lease Agreement for Fully-Operational Inspection and Reconditioning Center | Related Party            
Related Party Transaction [Line Items]            
Operating lease, number of renewal options 2          
Operating leases, renewal term 5 years          
Verde Investments, Inc. and DriveTime Automotive Group Inc. | Lease Agreement for Fully-Operational Inspection and Reconditioning Center | Related Party            
Related Party Transaction [Line Items]            
Total operating lease costs | $     $ 1 $ 1 $ 1 $ 2