Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
Mar. 31, 2011	Sep. 30, 2011 D loan contract payment Y
Summary of Significant Accounting Policies
Percentage of equity interest sold in STARS	50.10%
Sale price of STARS equity interest	$ 35
Cash payment received	20
Number of installments in which remaining consideration will be received		3
Amount of installment payments to be received		5
Retained equity interest in STARS (as a percent)	49.90%
Initial fair value of retained investment in STARS	34
Gain on sale of STARS	$ 68

Deconsolidation less than wholly owned subsidiary parent ownership interest initial value of equity interest retained.

Name:	phh_DeconsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestInitialValueOfEquityInterestRetained
Namespace Prefix:	phh
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of installments in which the remaining consideration for the sale of ownership interest in the subsidiary is to be received by the entity.

+ Details

Name:	phh_DeconsolidationLessThanWhollyOwnedSubsidiarySaleOfInterestByParentInstallmentAmountToBeReceived
Namespace Prefix:	phh
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the number of installments in which the remaining consideration towards the sale of ownership interest in the subsidiary will be received by the entity.

+ Details

Name:	phh_DeconsolidationLessThanWhollyOwnedSubsidiarySaleOfInterestByParentNumberOfInstallments
Namespace Prefix:	phh
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the gross consideration for the sale of ownership interest in the subsidiary during the period.

+ Details

Name:	phh_DeconsolidationLessThanWhollyOwnedSubsidiarySaleOfInterestByParentPurchasePrice
Namespace Prefix:	phh
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Deconsolidation parent ownership interest sale of interest by parent percentage of ownership after transaction.

+ Details

Name:	phh_DeconsolidationParentOwnershipInterestSaleOfInterestByParentPercentageOfOwnershipAfterTransaction
Namespace Prefix:	phh
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of ownership interest in the subsidiary sold by the entity.

+ Details

Name:	phh_DeconsolidationParentOwnershipInterestSaleOfInterestByParentPercentageOfOwnershipBeforeTransaction
Namespace Prefix:	phh
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of the gain (loss) recognized by the parent and included in its attributable portion of net income for the period due to deconsolidation of a subsidiary or derecognition of a group of assets. The gain (loss) recognized and included in the net income attributable to the parent for the period is generally computed as the difference between: (a) the aggregate of: (1) the fair value of any consideration received; (2) the fair value of any retained noncontrolling investment in the former subsidiary at the date the subsidiary was deconsolidated; and (3) the carrying amount of any noncontrolling interest in the former subsidiary (including any accumulated other comprehensive income attributable to the noncontrolling interest) at the date the subsidiary was deconsolidated and (b) the carrying amount of the former subsidiary's assets and liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1B

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6921930&loc=SL4582445-111684

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 39

-Subparagraph a

-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 AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 36

-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.

+ Details

Name:	us-gaap_DeconsolidationGainOrLossAmount
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15

-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 Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-Subparagraph b

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

Name:	us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration