v3.19.2
Document and Entity Information Document and Entity Information
Aug. 16, 2019
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Aug. 16, 2019
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
2012 Series C 5.25% Junior Subordinated Debentures due 2062  
Entity Information [Line Items]  
Title of 12(b) Security 2012 Series C 5.25% Junior Subordinated Debentures due 2062
Trading Symbol DTQ
Security Exchange Name NYSE
2016 Series B 5.375% Junior Subordinated Debentures due 2076  
Entity Information [Line Items]  
Title of 12(b) Security 2016 Series B 5.375% Junior Subordinated Debentures due 2076
Trading Symbol DTJ
Security Exchange Name NYSE
2016 Series F 6.00% Junior Subordinated Debentures due 2076  
Entity Information [Line Items]  
Title of 12(b) Security 2016 Series F 6.00% Junior Subordinated Debentures due 2076
Trading Symbol DTY
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
6.50% Corporate Units  
Entity Information [Line Items]  
Title of 12(b) Security 6.50% Corporate Units
Trading Symbol DTV
Security Exchange Name NYSE
DTE Electric  
Entity Information [Line Items]  
Entity File Number 1-2198
Entity Registrant Name DTE Electric Co
Entity Incorporation, State or Country Code MI
Entity Tax Identification Number 38-0478650