Description of Business, Basis of Presentation, and Changes in Significant Accounting Policies and Practices - Additional Information (Details)	6 Months Ended
	Jun. 30, 2014 segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments	1
Chrysler Group
Basis Of Presentation And Significant Accounting Policies [Line Items]
Financing contract term	10 years
Santander Holdings USA, Inc.
Basis Of Presentation And Significant Accounting Policies [Line Items]
Ownership percentage held by third parties	60.50%
Auto Finance Holdings Series LP
Basis Of Presentation And Significant Accounting Policies [Line Items]
Ownership percentage held by third parties	4.10%
DDFS LLC
Basis Of Presentation And Significant Accounting Policies [Line Items]
Ownership percentage held by third parties	10.00%
Public Shareholders
Basis Of Presentation And Significant Accounting Policies [Line Items]
Ownership percentage held by third parties	25.30%
Other Related Parties
Basis Of Presentation And Significant Accounting Policies [Line Items]
Ownership percentage held by third parties	0.10%