Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2015

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

A reconciliation of the ARO for the nine months ended September 30, 2015 follows:

	DTE Energy		DTE Electric
	(In millions)
Asset retirement obligations at December 31, 2014	$	1,962	$	1,796
Accretion	90		83
Revision in estimated cash flows	128		128
Asset retirement obligations at September 30, 2015	$	2,180	$	2,007