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Document and Entity Information - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Oct. 20, 2021
Entity Information [Line Items]      
Document Type   10-Q  
Document Quarterly Report   true  
Document Period End Date Sep. 30, 2021    
Document Transition Report   false  
Entity File Number   1-9804  
Entity Registrant Name   PULTEGROUP INC/MI/  
Entity Incorporation, State or Country Code   MI  
Entity Tax Identification Number   38-2766606  
Entity Address, Address Line One   3350 Peachtree Road NE, Suite 1500  
Entity Address, City or Town   Atlanta,  
Entity Address, State or Province   GA  
Entity Address, Postal Zip Code   30326  
City Area Code   404  
Local Phone Number   978-6400  
Entity Current Reporting Status   Yes  
Entity Interactive Data Current   Yes  
Entity Filer Category   Large Accelerated Filer  
Entity Small Business   false  
Entity Emerging Growth Company   false  
Entity Shell Company   false  
Entity Common Stock, Shares Outstanding     253,185,667
Entity Central Index Key   0000822416  
Current Fiscal Year End Date   --12-31  
Document Fiscal Year Focus   2021  
Document Fiscal Period Focus   Q3  
Amendment Flag   false  
Common Stock      
Entity Information [Line Items]      
Title of each class   Common Shares, par value $0.01  
Trading Symbol   PHM  
Security Exchange Name   NYSE  
Series A Junior Participating Preferred Share Purchase Rights      
Entity Information [Line Items]      
Title of each class   Series A Junior Participating Preferred Share Purchase Rights  
Security Exchange Name   NYSE  
No Trading Symbol Flag   true