Short-Term Credit Arrangements and Borrowings (Details Textuals)	Sep. 30, 2023 USD ($)	Jul. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 3,175,000,000
DTE Electric
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 900,000,000
Ratio of indebtedness to net capital	0.54
DTE Gas
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 300,000,000
Ratio of indebtedness to net capital	0.46
Maximum | DTE Electric
Short-term Debt [Line Items]
Ratio of indebtedness to net capital	0.65
Maximum | DTE Gas
Short-term Debt [Line Items]
Ratio of indebtedness to net capital	0.65
$100 million uncommitted letter of credit facility | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 100,000,000		$ 100,000,000
$100 million uncommitted letter of credit facility | DTE Electric | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	100,000,000
$100 million uncommitted letter of credit facility | DTE Gas | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	0
$50 million uncommitted letter of credit facility | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	50,000,000
$50 million uncommitted letter of credit facility | DTE Electric | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	0
$50 million uncommitted letter of credit facility | DTE Gas | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	0
DTE Energy
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 1,975,000,000
Ratio of indebtedness to net capital	0.64
DTE Energy | Demand financing agreement
Short-term Debt [Line Items]
Maximum borrowing capacity, financing agreement	$ 200,000,000
Amount outstanding	$ 139,000,000			$ 166,000,000
DTE Energy | Maximum
Short-term Debt [Line Items]
Ratio of indebtedness to net capital	0.70
DTE Energy | DTE Energy Revolver | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 500,000,000
DTE Energy | $100 million uncommitted letter of credit facility | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	0
DTE Energy | $50 million uncommitted letter of credit facility | Letters of credit
Short-term Debt [Line Items]
Maximum borrowing capacity	$ 50,000,000	$ 50,000,000