Document and Entity Information Document	6 Months Ended
	Jun. 30, 2013	Jul. 31, 2013	Dec. 31, 2012
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	acf
Entity Registrant Name	General Motors Financial Company, Inc.
Entity Central Index Key	0000804269
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding	502	502	500