Regulatory Matters (Details Textuals) - USD ($) $ in Millions					12 Months Ended
	Feb. 10, 2023	Nov. 18, 2022	Mar. 17, 2022	Jan. 21, 2022	Dec. 31, 2022	Dec. 28, 2022	Dec. 27, 2022	Nov. 30, 2022	Nov. 04, 2022	Dec. 31, 2021	Jun. 23, 2021
Regulatory Assets [Line Items]
Deferral of investigation and remediation of costs associated with gas utilities former MGP sites					10 years
Long-term debt issued					$ 2,196
Securitized regulatory assets					206					$ 0
Regulatory liability					2,707					3,262
DTE Electric
Regulatory Assets [Line Items]
Securitized regulatory assets			$ 230		206					0
Regulatory liability					$ 1,811					$ 2,375
DTE Electric | Ludington Hydroelectric Pumped Storage
Regulatory Assets [Line Items]
Ownership interest					49.00%			49.00%
DTE Electric | Securitization Bonds
Regulatory Assets [Line Items]
Long-term debt issued			$ 236
DTE Electric | MPSC
Regulatory Assets [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum											$ 236
DTE Electric | MPSC | Net book value of River Rouge generation plant
Regulatory Assets [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum											73
DTE Electric | MPSC | Tree trimming surge program costs
Regulatory Assets [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum											157
DTE Electric | MPSC | Other
Regulatory Assets [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum											6
DTE Electric | MPSC | 2022 Electric Rate Case Filing
Regulatory Assets [Line Items]
Requested rate increase				$ 388
Approved return on equity, percent		9.90%		9.90%
Requested return on equity, percent				10.25%
Approved revenue increase		$ 31
Disallowed capital expenditures		$ 8
DTE Electric | MPSC | DTE Electric Rate Case Filing 2023 | Subsequent Event
Regulatory Assets [Line Items]
Requested rate increase	$ 622
Approved return on equity, percent	9.90%
Requested return on equity, percent	10.25%
DTE Gas | MPSC | 2022 DTE Gas Voluntary Refund Application | 2022 Voluntary Refund
Regulatory Assets [Line Items]
Requested regulatory liability							$ 5
Regulatory liability						$ 5
DTE Gas | MPSC | Maximum | 2022 DTE Gas Voluntary Refund Application | 2022 Voluntary Refund
Regulatory Assets [Line Items]
Requested regulatory liability									$ 20
Consumers Energy Company | Ludington Hydroelectric Pumped Storage
Regulatory Assets [Line Items]
Ownership interest								51.00%
River Rouge | DTE Electric | Maximum
Regulatory Assets [Line Items]
Amortization period for regulatory asset			14 years
River Rouge | DTE Electric | MPSC
Regulatory Assets [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum											73
Tree Trimming | DTE Electric | Maximum
Regulatory Assets [Line Items]
Amortization period for regulatory asset			5 years
Tree Trimming | DTE Electric | MPSC
Regulatory Assets [Line Items]
Authorized issuance of securitization bonds of qualified costs, maximum											$ 157
Customer360 deferred costs
Regulatory Assets [Line Items]
Approved amortization period					15 years
Nuclear performance evaluation and review committee tracker
Regulatory Assets [Line Items]
Approved amortization period					5 years
Advanced distribution management system costs
Regulatory Assets [Line Items]
Amortization period for regulatory asset					15 years