Segment Information (Details) $ in Millions		3 Months Ended									12 Months Ended
		Dec. 31, 2015 USD ($)		Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) segment		Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment											2
Segment Information
Total Assets		$ 3,652	[1]				$ 4,296				$ 3,652	[1]	$ 4,296
Net Revenues		123		$ 169	$ 237	$ 261	180	$ 152	$ 196	$ 111	790		639	$ 1,200
Segment (loss) profit	[2]										(227)		(290)	111
Pre-tax loss on extinguishment of debt											30		24	54
Interest income											44		42	70
Interest expense											90		130	185
Corporate, Non-Segment
Segment Information
Total Assets		814					1,163				814		1,163
Net Revenues	[3]										6		11	0
Segment (loss) profit	[2],[3]										(49)		(46)	(66)
Pre-tax loss on extinguishment of debt											30		24	54
Mortgage Production segment | Operating segment
Segment Information
Total Assets		1,036					1,209				1,036		1,209
Net Revenues											586		465	821
Segment (loss) profit	[2]										(47)		(141)	22
Interest income											40		38	63
Interest expense											45		77	127
Mortgage Servicing segment | Operating segment
Segment Information
Total Assets		$ 1,802					$ 1,924				1,802		1,924
Net Revenues											198		163	379
Segment (loss) profit	[2]										(131)		(103)	155
Interest income											4		4	7
Interest expense											$ 45		$ 53	$ 58

[1] The Consolidated Balance Sheets include assets of variable interest entities which can be used only to settle the obligations and liabilities of variable interest entities which creditors or beneficial interest holders do not have recourse to PHH Corporation and subsidiaries as follows: December 31, 2015 2014ASSETS Cash and cash equivalents$80 $85Restricted cash18 23Mortgage loans held for sale389 378Accounts receivable, net5 8Servicing advances, net157 155Property and equipment, net1 1Other assets12 8Total assets$662 $658 LIABILITIES Accounts payable and accrued expenses$14 $16Debt456 443Other liabilities6 11Total liabilities$476 $470

[2] The following is a reconciliation of Income or loss from continuing operations before income taxes to Segment profit or loss: Year Ended December 31, 2015 2014 2013 (In millions)(Loss) income from continuing operations before income taxes$(213) $(284) $140Less: net income attributable to noncontrolling interest14 6 29Segment (loss) profit$(227) $(290) $111

[3] Net results for Other includes the pre-tax loss on the early repayment of certain unsecured debt obligations which were not allocated to the reportable segments which totaled $30 million, $24 million and $54 million for 2015, 2014 and 2013, respectively.