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Preferred and Preferenced Securities (Details) (USD $)
Dec. 31, 2013
DTE Energy [Member]
 
Preferred and Preferenced Securities [Line Items]  
Preferred Stock, Par Value Per Share $ 0
Preferred Stock, Shares Authorized 5,000,000
DTE Electric [Member]
 
Preferred and Preferenced Securities [Line Items]  
Preferred Stock, Par Value Per Share $ 100
Preferred Stock, Shares Authorized 6,747,484
Preference Stock, Par Value Per Share $ 1
Preference Stock, Shares Authorized 30,000,000
DTE Gas [Member]
 
Preferred and Preferenced Securities [Line Items]  
Preferred Stock, Par Value Per Share $ 1
Preferred Stock, Shares Authorized 7,000,000
Preference Stock, Par Value Per Share $ 1
Preference Stock, Shares Authorized 4,000,000