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Short-Term Credit Arrangements and Borrowings (Schedule of Borrowings) (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | $ 3,175
Amounts outstanding | 1,442
Net availability | 1,733
DTE Electric |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 900
Amounts outstanding | 429
Net availability | 471
DTE Gas |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 300
Amounts outstanding | 77
Net availability | 223
DTE Energy |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 1,975
Amounts outstanding | 936
Net availability | 1,039
Revolving credit facility | Unsecured revolving credit facility, expiring October 2028 |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 2,600
Revolving credit facility | Unsecured revolving credit facility, expiring October 2028 | DTE Electric |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 800
Revolving credit facility | Unsecured revolving credit facility, expiring October 2028 | DTE Gas |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 300
Revolving credit facility | Unsecured revolving credit facility, expiring October 2028 | DTE Energy |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 1,500
Revolving credit facility | Unsecured letter of credit facility, expiring June 2024 |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 175
Revolving credit facility | Unsecured letter of credit facility, expiring June 2024 | DTE Electric |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Revolving credit facility | Unsecured letter of credit facility, expiring June 2024 | DTE Gas |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Revolving credit facility | Unsecured letter of credit facility, expiring June 2024 | DTE Energy |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 175
Letters of credit |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 159
Letters of credit | DTE Electric |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 44
Letters of credit | DTE Gas |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 0
Letters of credit | DTE Energy |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 115
Letters of credit | Unsecured letter of credit facility, expiring February 2025 |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 150
Letters of credit | Unsecured letter of credit facility, expiring February 2025 | DTE Electric |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Letters of credit | Unsecured letter of credit facility, expiring February 2025 | DTE Gas |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Letters of credit | Unsecured letter of credit facility, expiring February 2025 | DTE Energy |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 150
Letters of credit | Unsecured letter of credit facilities |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 150
Letters of credit | Unsecured letter of credit facilities | DTE Electric |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Letters of credit | Unsecured letter of credit facilities | DTE Gas |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Letters of credit | Unsecured letter of credit facilities | DTE Energy |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 150
Letters of credit | Unsecured letter of credit facility |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 100
Letters of credit | Unsecured letter of credit facility | DTE Electric |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 100
Letters of credit | Unsecured letter of credit facility | DTE Gas |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Letters of credit | Unsecured letter of credit facility | DTE Energy |
Line Of Credit Facility [Line Items] |
Line of credit facility, maximum borrowing capacity | 0
Commercial paper issuances |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 1,283
Commercial paper issuances | DTE Electric |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 385
Commercial paper issuances | DTE Gas |
Line Of Credit Facility [Line Items] |
Amounts outstanding | 77
Commercial paper issuances | DTE Energy |
Line Of Credit Facility [Line Items] |
Amounts outstanding | $ 821

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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