Segment and Related Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Financial Data of Business Segments

Inter-segment billing for goods and services exchanged between segments is based upon tariffed or market-based prices of the provider and primarily consists of the sale of reduced emissions fuel, power sales, and natural gas sales in the following segments:

	Year Ended December 31,
	2019		2018		2017
	(In millions)
Electric	$	56	$	52	$	48
Gas	12		12		8
Gas Storage and Pipelines	27		36		42
Power and Industrial Projects	596		642		569
Energy Trading	22		27		35
Corporate and Other	2		2		2
	$	715	$	771	$	704

Financial data of DTE Energy's business segments follows:

	Electric			Gas		Gas Storage and Pipelines		Power and Industrial Projects		Energy Trading		Corporate and Other		Reclassifications and Eliminations		Total
	(In millions)
2019
Operating Revenues — Utility operations	$	5,224		1,482		—		—		—		—		(68	)	$	6,638
Operating Revenues — Non-utility operations	$	5		—		501		1,560		4,610		2		(647	)	$	6,031
Depreciation and amortization	$	949		144		94		69		6		1		—		$	1,263
Interest expense	$	315		78		73		33		8		266		(132	)	$	641
Interest income	$	(2	)	(6	)	(8	)	(9	)	(4	)	(120	)	132		$	(17	)
Equity in earnings of equity method investees	$	1		2		97		14		—		(3	)	—		$	111
Income Tax Expense (Benefit)	$	137		62		74		(63	)	17		(75	)	—		$	152
Net Income (Loss) Attributable to DTE Energy Company	$	714		185		204		133		49		(116	)	—		$	1,169
Investment in equity method investees	$	5		11		1,685		130		—		31		—		$	1,862
Capital expenditures and acquisitions	$	2,368		530		2,510		54		5		—		—		$	5,467
Goodwill	$	1,208		743		470		26		17		—		—		$	2,464
Total Assets	$	24,617		5,717		4,832		537		798		7,679		(2,298	)	$	41,882

	Electric		Gas		Gas Storage and Pipelines		Power and Industrial Projects		Energy Trading		Corporate and Other		Reclassifications and Eliminations		Total
	(In millions)
2018
Operating Revenues — Utility operations	$	5,298	1,436		—		—		—		—		(64	)	$	6,670
Operating Revenues — Non-utility operations	$	—			485		2,204		5,557		3		(707	)	$	7,542
Depreciation and amortization	$	836	133		82		67		5		1		—		$	1,124
Interest expense	$	283	70		68		31		6		220		(119	)	$	559
Interest income	$	—	(6	)	(9	)	(9	)	(3	)	(104	)	119		$	(12	)
Equity in earnings of equity method investees	$	—	2		123		3		—		4		—		$	132
Income Tax Expense (Benefit)	$	193	67		68		(195	)	13		(48	)	—		$	98
Net Income (Loss) Attributable to DTE Energy Company	$	664	150		235		161		39		(129	)	—		$	1,120
Investment in equity method investees	$	7	12		1,585		134		—		33		—		$	1,771
Capital expenditures and acquisitions	$	1,979	460		176		91		5		2		—		$	2,713
Goodwill	$	1,208	743		299		26		17		—		—		$	2,293
Total Assets	$	22,501	5,378		3,161		495		909		6,153		(2,309	)	$	36,288

	Electric		Gas		Gas Storage and Pipelines		Power and Industrial Projects		Energy Trading		Corporate and Other		Reclassifications and Eliminations		Total
	(In millions)
2017
Operating Revenues — Utility operations	$	5,102	1,388		—		—		—		—		(56	)	$	6,434
Operating Revenues — Non-utility operations	$	—	—		453		2,089		4,277		2		(648	)	$	6,173
Depreciation and amortization	$	753	123		76		72		5		1		—		$	1,030
Interest expense	$	274	65		77		29		5		192		(106	)	$	536
Interest income	$	—	(7	)	(14	)	(7	)	(2	)	(88	)	106		$	(12	)
Equity in earnings of equity method investees	$	1	2		90		9		—		—		—		$	102
Income Tax Expense (Benefit)(a)	$	321	78		(30	)	(195	)	49		(48	)	—		$	175
Net Income (Loss) Attributable to DTE Energy Company	$	606	146		275		138		72		(103	)	—		$	1,134
Investment in equity method investees	$	7	11		879		150		—		26		—		$	1,073
Capital expenditures and acquisitions	$	1,574	463		137		56		7		13		—		$	2,250
Goodwill	$	1,208	743		299		26		17		—		—		$	2,293
Total Assets	$	21,163	5,072		2,594		593		725		5,324		(1,704	)	$	33,767

_____________________________________

(a)

Includes Income Tax Expense (Benefit) of $(5) million, $(115) million, $(21) million, $2 million, and $34 million for Electric — non-utility, Gas Storage and Pipelines, Power and Industrial Projects, Energy Trading, and Corporate and Other, respectively, related to the enactment of the TCJA.