CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Operating Revenues
Wholesale energy	$ 673	$ 551	$ 1,195	$ (906)
Wholesale energy to affiliate	5	21	14	48
Retail energy	243	280	554	630
Energy-related businesses	144	155	248	280
Total Operating Revenues	1,065	1,007	2,011	52
Operation
Fuel	200	259	551	741
Energy purchases	289	203	290	(1,601)
Other operation and maintenance	305	285	531	514
Depreciation	87	76	164	151
Taxes, other than income	15	13	30	31
Energy-related businesses	135	155	233	279
Total Operating Expenses	1,031	991	1,799	115
Operating Income (Loss)	34	16	212	(63)
Other Income (Expense) - net	3	7	10	13
Interest Expense	55	32	91	64
Income (Loss) from Continuing Operations Before Income Taxes	(18)	(9)	131	(114)
Income Taxes	(43)	(11)	10	(58)
Income (Loss) from Continuing Operations After Income Taxes	25	2	121	(56)
Income (Loss) from Discontinued Operations (net of income taxes)	1	11	1	3
Net Income (Loss)	$ 26	$ 13	$ 122	$ (53)
Earnings Per Share of Common Stock - Basic:
Income (Loss) from continuing operations after income taxes (in dollars per share)	$ 0.25	$ 0.03	$ 1.33	$ (0.67)
Income (Loss) from discontinued operations (net of income taxes) (in dollars per share)	0.01	0.13	0.01	0.04
Net Income (Loss) (in dollars per share)	0.26	0.16	1.34	(0.63)
Earnings Per Share of Common Stock - Diluted:
Income (Loss) from continuing operations (in dollars per share)	0.25	0.03	1.33	(0.67)
Income (Loss) from discontinued operations (net of income taxes) (in dollars per share)	0.01	0.13	0.01	0.04
Net Income (Loss) (in dollars per share)	$ 0.26	$ 0.16	$ 1.34	$ (0.63)
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Basic (in shares)	98,354	83,524	90,980	83,524
Diluted (in shares)	98,376	83,524	91,002	83,524
Talen Energy Supply
Operating Revenues
Wholesale energy	$ 673	$ 551	$ 1,195	$ (906)
Wholesale energy to affiliate	5	21	14	48
Retail energy	243	280	554	630
Energy-related businesses	144	155	248	280
Total Operating Revenues	1,065	1,007	2,011	52
Operation
Fuel	200	259	551	741
Energy purchases	289	203	290	(1,601)
Other operation and maintenance	305	285	531	514
Depreciation	87	76	164	151
Taxes, other than income	15	13	30	31
Energy-related businesses	135	155	233	279
Total Operating Expenses	1,031	991	1,799	115
Operating Income (Loss)	34	16	212	(63)
Other Income (Expense) - net	3	7	10	13
Interest Expense	55	32	91	64
Income (Loss) from Continuing Operations Before Income Taxes	(18)	(9)	131	(114)
Income Taxes	(43)	(11)	10	(58)
Income (Loss) from Continuing Operations After Income Taxes	25	2	121	(56)
Income (Loss) from Discontinued Operations (net of income taxes)	1	11	1	3
Net Income (Loss)	$ 26	$ 13	$ 122	$ (53)