Segment Information (Details) (USD $) In Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010	Jun. 30, 2011		Jun. 30, 2010	Dec. 31, 2010
Segment results
Net revenues	$ 516		$ 371	$ 1,181		$ 948
Segment profit (loss)	(70)		(222)	12		(203)
Total assets	8,749	[1]		8,749	[1]		11,270	[1]
Mortgage Production Segment [Member]
Segment results
Net revenues	169		202	383		354
Segment profit (loss)	25		49	77		74
Total assets	1,990			1,990			4,605
Mortgage Servicing Segment [Member]
Segment results
Net revenues	(58)		(238)	(1)		(202)
Segment profit (loss)	(113)		(284)	(99)		(297)
Total assets	2,291			2,291			2,291
Fleet Management Services Segment [Member]
Segment results
Net revenues	406		407	801		797
Segment profit (loss)	19		13	35		21
Total assets	4,333			4,333			4,216
Total reportable segments [Member]
Segment results
Net revenues	517		371	1,183		949
Segment profit (loss)	(69)		(222)	13		(202)
Other [Member]
Segment results
Net revenues	(1)			(2)		(1)
Segment profit (loss)	(1)			(1)		(1)
Total assets	$ 135			$ 135			$ 158

[1] The Condensed Consolidated Balance Sheets include assets of variable interest entities which can be used only to settle their obligations and liabilities of variable interest entities which creditors or beneficial interest holders do not have recourse to PHH Corporation and subsidiaries as follows: