Significant Accounting Policies [Line Items]

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- Definition

Specific Review of Probable Future Collections Based on Receivable Balances, Threshold Duration

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
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-Section 45
-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Threshold period for when financing receivable is considered past due, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
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-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

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- Definition

Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Significant Accounting Policies (Details Textuals) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Accounts receivable	$ 1,407		$ 1,407		$ 1,632
Unrecognized compensation cost	71		$ 71
Recognition period (in years)			1 year 6 months
Specific review of probable future collections based on receivable balances, threshold duration			30 days
Past due
Significant Accounting Policies [Line Items]
Financing receivables	0		$ 0
Notes receivable
Significant Accounting Policies [Line Items]
Financing receivables	$ 463		$ 463
Notes receivable \| Minimum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	60 days		60 days
Notes receivable \| Maximum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	120 days		120 days
DTE Electric and DTE Gas
Significant Accounting Policies [Line Items]
Threshold period past due for write-off of trade accounts receivable			150 days
DTE Electric and DTE Gas \| Accounts receivable
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	21 days		21 days
DTE Electric \| Notes receivable
Significant Accounting Policies [Line Items]
Financing receivables	$ 2		$ 2
DTE Electric \| Notes receivable \| Minimum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	60 days		60 days
DTE Electric \| Notes receivable \| Maximum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	120 days		120 days
DTE Electric \| DTE Energy
Significant Accounting Policies [Line Items]
Allocated costs	$ 9	$ 7	$ 26	$ 27
DTE Electric \| Affiliates
Significant Accounting Policies [Line Items]
Accounts receivable	10		10		12
DTE Electric \| Affiliates \| Federal taxes
Significant Accounting Policies [Line Items]
Accounts receivable	8		8		$ 7
DTE Electric \| Affiliates \| State taxes
Significant Accounting Policies [Line Items]
Accounts receivable	$ 1		$ 1