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Cover
Jan. 20, 2021
Cover [Abstract]  
Entity Central Index Key 0000882184
Amendment Flag false
Document Type 8-K
Document Period End Date Jan. 20, 2021
Entity Registrant Name D.R. Horton, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 1-14122
Entity Tax Identification Number 1341 Horton Circle
Entity Tax Identification Number 75-2386963
Entity Address, City or Town Arlington
Entity Address, State or Province TX
Entity Address, Postal Zip Code 76011
City Area Code 817
Local Phone Number 390-8200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Information [Line Items]  
Entity Emerging Growth Company false
Common Stock [Member]  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock, par value $.01 per share
Trading Symbol DHI
Security Exchange Name NYSE
Senior Notes [Member]  
Entity Information [Line Items]  
Title of 12(b) Security 5.750% Senior Notes due 2023
Trading Symbol DHI 23A
Security Exchange Name NYSE