Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2015

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligations

A reconciliation of the asset retirement obligations for 2015 follows:

	DTE Energy		DTE Electric
	(In millions)
Asset retirement obligations at December 31, 2014	$	1,962	$	1,796
Accretion	119		111
Liabilities incurred	33		33
Revision in estimated cash flows	80		80
Asset retirement obligations at December 31, 2015	$	2,194	$	2,020