Document and Entity Information Document
Mar. 09, 2022
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Mar. 09, 2022
Entity File Number 1-11607
Entity Registrant Name DTE Energy Co
Entity Incorporation, State or Country Code MI
Entity Tax Identification Number 38-3217752
Entity Address, Address Line One One Energy Plaza
Entity Address, City or Town Detroit
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48226-1279
City Area Code 313
Local Phone Number 235-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0000936340
Amendment Flag false
Common stock, without par value  
Entity Information [Line Items]  
Title of 12(b) Security Common stock, without par value
Trading Symbol DTE
Security Exchange Name NYSE
2017 Series E 5.25% Junior Subordinated Debentures due 2077  
Entity Information [Line Items]  
Title of 12(b) Security 2017 Series E 5.25% Junior Subordinated Debentures due 2077
Trading Symbol DTW
Security Exchange Name NYSE
2019 6.25% Corporate Units  
Entity Information [Line Items]  
Title of 12(b) Security 2019 6.25% Corporate Units
Trading Symbol DTP
Security Exchange Name NYSE
2020 Series G 4.375% Junior Subordinated Debentures due 2080  
Entity Information [Line Items]  
Title of 12(b) Security 2020 Series G 4.375% Junior Subordinated Debentures due 2080
Trading Symbol DTB
Security Exchange Name NYSE
Series E, 2021, 4.375% Junior Subordinated Debentures Due 2081  
Entity Information [Line Items]  
Title of 12(b) Security 2021 Series E 4.375% Junior Subordinated Debentures due 2081
Trading Symbol DTG
Security Exchange Name NYSE