| Document and Entity Information | Jun. 04, 2021 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | DTE ENERGY CO |
| Entity Address, State or Province | MI |
| Amendment Flag | false |
| Entity Central Index Key | 0000936340 |
| Document Type | 8-K/A |
| Document Period End Date | Jun. 4, 2021 |
| Entity File Number | 1-11607 |
| Entity Incorporation State 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, 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 |
| Amendment Description | This Current Report on Form 8-K/A (this “Amendment”) amends and restates the Current Report on Form 8-K originally filed by DTE Energy Company on June 4, 2021 (the “Original Report”), which inadvertently omitted Exhibit 99.3. This Amendment includes the omitted Exhibit 99.3 and otherwise does not amend or update any information that was set forth in the Original Report. |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock, without par value |
| Trading Symbol | DTE |
| Security Exchange Name | NYSE |
| Series B 20165.375 Junior Subordinated Debentures Due 2076 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 2016 Series B 5.375% Junior Subordinated Debentures due 2076 |
| Trading Symbol | DTJ |
| Security Exchange Name | NYSE |
| Series F 20166.00 Junior Subordinated Debentures Due 2076 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 2016 Series F 6.00% Junior Subordinated Debentures due 2076 |
| Trading Symbol | DTY |
| Security Exchange Name | NYSE |
| Series E 20175.25 Junior Subordinated Debentures Due 2077 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 2017 Series E 5.25% Junior Subordinated Debentures due 2077 |
| Trading Symbol | DTW |
| Security Exchange Name | NYSE |
| Corporate Units 625 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 2019 6.25% Corporate Units |
| Trading Symbol | DTP |
| Security Exchange Name | NYSE |
| Series G 20204375 Junior Subordinated Debentures Due 2080 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 2020 Series G 4.375% Junior Subordinated Debentures due 2080 |
| Trading Symbol | DTB |
| Security Exchange Name | NYSE |
