Amount of increase (decrease) in plan assets of defined benefit plan from assets transferred into (from) plan.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
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-Name Accounting Standards Codification
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-Section 55
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-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921

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- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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Retirement Benefits and Trusteed Assets (Details Textuals) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2023
Pension plans
Defined Benefit Plan Disclosure [Line Items]
Pension cost (credit)	$ (17,000,000)	$ 7,000,000
Pension plans \| Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Anticipated contributions, current fiscal year	0
Postretirement benefit plans
Defined Benefit Plan Disclosure [Line Items]
Pension cost (credit)	(9,000,000)	(17,000,000)
Anticipated contributions, current fiscal year	0
DTE Electric \| Pension plans
Defined Benefit Plan Disclosure [Line Items]
Pension cost (credit)	(9,000,000)	9,000,000
DTE Electric \| Pension plans \| Qualified Plan \| Maximum \| Forecast
Defined Benefit Plan Disclosure [Line Items]
Pension funds transferred to (from) plan			$ 50,000,000
DTE Electric \| Postretirement benefit plans
Defined Benefit Plan Disclosure [Line Items]
Pension cost (credit)	$ (6,000,000)	$ (9,000,000)
DTE Gas \| Pension plans \| Qualified Plan \| Maximum \| Forecast
Defined Benefit Plan Disclosure [Line Items]
Pension funds transferred to (from) plan			$ (50,000,000)