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Inventory And Land Held For Sale Inventory And Land Held For Sale (Fair Value Unobservable Inputs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Minimum [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Average selling price ($000s)	$ 139
Sales pace per quarter (units)	1
Discount rate	12.00%
Maximum [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Average selling price ($000s)	$ 626
Sales pace per quarter (units)	9
Discount rate	16.00%

X

- Definition

Average selling price of homes sold during period (home closing revenues divided by number of home closings)

+ References

No definition available.

+ Details

Name:	phm_AverageSellingPrice
Namespace Prefix:	phm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Sales pace - number of homes sold per community during period

+ References

No definition available.

+ Details

Name:	phm_SalesPace
Namespace Prefix:	phm_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueInputsDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueOptionQuantitativeDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration