Fair Value Measurements (Details 3)	6 Months Ended	12 Months Ended
Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Information regarding the initial and ending capitalization rate of MSRs
Initial capitalization rate of additions to MSRs (as a percent)	1.08%		1.00%
Capitalization servicing rate (as a percent)	0.94%	0.73%
Capitalization servicing multiple (as a percent)	3.20%	2.40%
Weighted-average servicing fee (in basis points)	0.0029	0.0030
Mortgage servicing rights
Significant assumptions used in estimating fair value
Weighted-average prepayment speed (CPR) (as a percent)	11.00%	17.00%
Option adjusted spread, in basis points (as a percent)	10.25%	10.13%
Weighted-average delinquency rate (as a percent)	5.60%	6.80%

The weighted average delinquency rate for servicing assets or liabilities.

No definition available.

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- Definition

Represents the capitalization multiple used to estimate the fair value of servicing assets and servicing liabilities.

+ References

No definition available.

+ Details

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- Definition

Represents the initial capitalization rate for additions to servicing assets and servicing liabilities.

+ References

No definition available.

+ Details

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- Definition

Represents the weighted-average servicing fee for servicing assets and servicing liabilities.

+ References

No definition available.

+ Details

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- Definition

Represents the capitalization rate used to estimate the fair value of servicing assets and servicing liabilities.

+ References

No definition available.

+ Details

Name:	phh_RatioOfMSRCarryingValueToPrincipalAmountOfLoansInCapitalizedServingPortfolio
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- Details

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- Definition

Discount rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS140-4/FIN46(R)-8

-Paragraph B11

-Subparagraph b(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 17

-Subparagraph i(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

+ Details

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- Definition

Estimated rate of prepayment of principal on financial assets regardless of when the transfer occurred.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS140-4/FIN46(R)-8

-Paragraph B11

-Subparagraph b(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 17

-Subparagraph i(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)(2)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

+ Details

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- Details

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