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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Unfunded settlements	$ 4,700,000us-gaap_AccountsReceivableNetCurrent		$ 5,100,000us-gaap_AccountsReceivableNetCurrent
Antidilutive securities excluded from computation of earnings per share (shares)	4.8us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7.5us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Liabilities for land, not owned, under option agreements	62,261,000phm_LiabilityForLandUnderOptionContracts		30,186,000phm_LiabilityForLandUnderOptionContracts
Land, Not Owned, Under Option Agreements	62,261,000us-gaap_LandUnderPurchaseOptionsRecorded		30,186,000us-gaap_LandUnderPurchaseOptionsRecorded
Residential mortgage loans available-for-sale fair value	226,292,000us-gaap_LoansHeldForSaleFairValueDisclosure		339,531,000us-gaap_LoansHeldForSaleFairValueDisclosure
Residential mortgage loans available-for-sale aggregate outstanding principal balance	225,500,000us-gaap_InventoryRealEstateMortgageLoansHeldInInventory		327,400,000us-gaap_InventoryRealEstateMortgageLoansHeldInInventory
Net gain (loss) from change in fair value	100,000us-gaap_FairValueOptionChangesInFairValueGainLoss1	700,000us-gaap_FairValueOptionChangesInFairValueGainLoss1
Net gains from the sale of mortgages	16,200,000us-gaap_GainLossOnSaleOfMortgageLoans	12,900,000us-gaap_GainLossOnSaleOfMortgageLoans
Variability in future cash flows of derivative instruments in days	75 days
Interest rate lock commitments
Derivative, notional amount	205,700,000invest_DerivativeNotionalAmount / us-gaap_FinancialInstrumentAxis = us-gaap_InterestRateLockCommitmentsMember		146,100,000invest_DerivativeNotionalAmount / us-gaap_FinancialInstrumentAxis = us-gaap_InterestRateLockCommitmentsMember
Forward contracts
Derivative, notional amount	368,000,000invest_DerivativeNotionalAmount / us-gaap_FinancialInstrumentAxis = us-gaap_ForwardContractsMember		371,000,000invest_DerivativeNotionalAmount / us-gaap_FinancialInstrumentAxis = us-gaap_ForwardContractsMember
Whole loan commitments
Derivative, notional amount	$ 23,400,000invest_DerivativeNotionalAmount / us-gaap_FinancialInstrumentAxis = us-gaap_LoanPurchaseCommitmentsMember		$ 63,500,000invest_DerivativeNotionalAmount / us-gaap_FinancialInstrumentAxis = us-gaap_LoanPurchaseCommitmentsMember

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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Liability for land under option contracts

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No definition available.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3-4)

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-Number 210

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-Subparagraph a(1)

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-Number 210

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Name Accounting Standards Codification

-Topic 260

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-Section 50

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-Name Accounting Standards Codification

-Glossary Diluted Earnings Per Share

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-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

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For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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-Section 50

-Paragraph 30

-Subparagraph (a)

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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Represents mortgage loans held in inventory primarily for sale to others (third parties, businesses, legal entities) in the ordinary course of business.

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No definition available.

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The carrying amount as of the balance sheet date of land not owned but under a contract in which the entity has an option to purchase the land.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.6(a))

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Topic 815

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