Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment

	Three months ended June 30, 2019(a)
	Retail			Generation		Corporate			Eliminations			Total
	(In millions)
Operating revenues(b)	$	1,748		$	1,367	$	—		$	(650	)	$	2,465
Depreciation and amortization	32			45		8			—			85
Impairment losses	1			—		—			—			1
Reorganization costs	2			—		—			—			2
Gain on sale of assets	—			—		1			—			1
Loss on debt extinguishment, net	—			—		(47		)	—			(47		)
(Loss)/income from continuing operations before income taxes	(280		)	618		(151		)	1			188
(Loss)/income from continuing operations	(280		)	618		(150		)	1			189
Income from discontinued operations, net of tax	—			—		13			—			13
Net (loss)/income	(280		)	618		(137		)	1			202
Net (loss)/income attributable to NRG Energy, Inc.	$	(281	)	$	618	$	(137	)	$	1		$	201

 

(a) Includes intersegment revenues and costs associated with the internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation
(b) Operating revenues include intersegment sales and net derivative gains and losses of:	$	2	$	627	$	21	$	—	$	650

	Three months ended June 30, 2018(a)
	Retail			Generation		Corporate			Eliminations			Total
	(In millions)
Operating revenues(b)	$	1,814		$	1,167	$	—		$	(520	)	$	2,461
Depreciation and amortization	30			74		9			(1		)	112
Reorganization costs	1			3		19			—			23
Equity in earnings of unconsolidated affiliates	—			5		2			(2		)	5
(Loss)/income from continuing operations before income taxes	(84		)	252		(137		)	1			32
(Loss)/income from continuing operations	(84		)	252		(142		)	1			27
Income from discontinued operations, net of tax	—			—		69			—			69
Net (loss)/income	(84		)	252		(73		)	1			96
Net (loss)/income attributable to NRG Energy, Inc.	$	(84	)	$	250	$	(97	)	$	3		$	72

 

(a) Includes intersegment revenues and costs associated with our internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation
(b) Operating revenues include intersegment sales and net derivative gains and losses of:	$	4	$	514	$	2	$	—	$	520

	Six months ended June 30, 2019 (a)
	Retail			Generation			Corporate			Eliminations			Total
	(In millions)
Operating revenues(b)	$	3,355		$	2,190		$	—		$	(915	)	$	4,630
Depreciation and amortization	63			91			16			—			170
Impairment losses	1			—			—			—			1
Reorganization costs	3			1			11			—			15
Gain on sale of assets	—			1			1			—			2
Equity in losses of unconsolidated affiliates	—			(21		)	—			—			(21		)
Loss on debt extinguishment, net	—			—			(47		)	—			(47		)
(Loss)/income from continuing operations before income taxes	(169		)	731			(275		)	(1		)	286
(Loss)/income from continuing operations	(170		)	731			(277		)	(1		)	283
Income from discontinued operations, net of tax	—			—			401			—			401
Net (loss)/income	(170		)	731			124			(1		)	684
Net (loss)/income attributable to NRG Energy, Inc. common stockholders	$	(171	)	$	731		$	124		$	(1	)	$	683

(a) Includes intersegment revenues and costs associated with our internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation
(b) Operating revenues include inter-segment sales and net derivative gains and losses of:	$	5	$	862	$	48	$	—	$	915

	Six months ended June 30, 2018 (a)
	Retail		Generation			Corporate			Eliminations			Total
Operating revenues(b)	$	3,294	$	1,438		$	—		$	(206	)	$	4,526
Depreciation and amortization	56		160			18			(2		)	232
Impairment losses	—		74			—			—			74
Reorganization costs	5		6			32			—			43
Gain on sale of assets	—		2			14			—			16
Equity in earnings of unconsolidated affiliates	—		7			1			(2		)	6
Income/(loss) from continuing operations before income taxes	860		(319		)	(264		)	(1		)	276
Income/(loss) from continuing operations	860		(319		)	(275		)	(1		)	265
Income from discontinued operations, net of tax	—		—			64			—			64
Net income/(loss)	860		(319		)	(211		)	(1		)	329
Net income/(loss) attributable to NRG Energy, Inc. common stockholders	$	859	$	(313	)	$	(196	)	$	1		$	351

(a) Includes intersegment revenues and costs associated with our internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation
(b) Operating revenues include inter-segment sales and net derivative gains and losses of:	$	6	$	205	$	(5	)	$	—	$	206