CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Millions		Total	Common Stock		Additional Paid-in Capital	Earnings Reinvested	Accumulated Other Comprehensive Loss	PPL Electric Utilities Corp [Member]		PPL Electric Utilities Corp [Member] Common Stock		PPL Electric Utilities Corp [Member] Additional Paid-in Capital		PPL Electric Utilities Corp [Member] Earnings Reinvested	LG And E And KU Energy LLC [Member]	Louisville Gas And Electric Co [Member]		Louisville Gas And Electric Co [Member] Common Stock		Louisville Gas And Electric Co [Member] Additional Paid-in Capital	Louisville Gas And Electric Co [Member] Earnings Reinvested	Kentucky Utilities Co [Member]		Kentucky Utilities Co [Member] Common Stock		Kentucky Utilities Co [Member] Additional Paid-in Capital	Kentucky Utilities Co [Member] Earnings Reinvested	Kentucky Utilities Co [Member] Accumulated Other Comprehensive Loss
Balance at beginning of period - shares at Dec. 31, 2013			630,321	[1]						66,368	[2]							21,294	[3]					37,818	[4]
Balance at beginning of period at Dec. 31, 2013															$ 4,150
Balance at beginning of period at Dec. 31, 2013		$ 12,466	$ 6		$ 8,316	$ 5,709	$ (1,565)	$ 2,349		$ 364		$ 1,340		$ 645		$ 1,960		$ 424		$ 1,364	$ 172	$ 3,044		$ 308		$ 2,505	$ 230	$ 1
Common stock shares issued	[1]		33,697
Common stock issued		1,028	$ 1		1,027
Stock-based compensation		15			15
Net income (loss)		545				545		137	[5]					137	180	87	[6]				87	117	[5]				117
Dividends, dividend equivalents, redemptions and distributions		(486)				(486)
Dividends declared on common stock								(87)						(87)		(60)					(60)	(86)					(86)
Distributions to member															(221)
Contributions from member															119
Capital contributions from parent								95				95				53				53		66				66
Other comprehensive income (loss)		167					167								(3)							(1)						(1)
Balance at end of period - shares at Jun. 30, 2014			664,018	[1]						66,368	[2]							21,294	[3]					37,818	[4]
Balance at end of period at Jun. 30, 2014															4,225
Balance at end of period at Jun. 30, 2014		13,735	$ 7		9,358	5,768	(1,398)	2,494		$ 364		1,435		695		2,040		$ 424		1,417	199	3,140		$ 308		2,571	261
Balance at beginning of period - shares at Mar. 31, 2014			631,417	[1]						66,368	[2]							21,294	[3]					37,818	[4]
Balance at beginning of period at Mar. 31, 2014															4,200
Balance at beginning of period at Mar. 31, 2014		12,717	$ 6		8,352	5,788	(1,429)	2,467		$ 364		1,405		698		1,985		$ 424		1,364	197	3,123		$ 308		2,545	270
Common stock shares issued	[1]		32,601
Common stock issued		998	$ 1		997
Stock-based compensation		9			9
Net income (loss)		229				229		52	[5]					52	65	35	[6]				35	40	[5]				40
Dividends, dividend equivalents, redemptions and distributions		(249)				(249)
Dividends declared on common stock								(55)						(55)		(33)					(33)	(49)					(49)
Distributions to member															(117)
Contributions from member															79
Capital contributions from parent								30				30				53				53		26				26
Other comprehensive income (loss)		31					31								(2)
Balance at end of period - shares at Jun. 30, 2014			664,018	[1]						66,368	[2]							21,294	[3]					37,818	[4]
Balance at end of period at Jun. 30, 2014															4,225
Balance at end of period at Jun. 30, 2014		$ 13,735	$ 7		9,358	5,768	(1,398)	$ 2,494		$ 364		1,435		695		$ 2,040		$ 424		1,417	199	$ 3,140		$ 308		2,571	261
Balance at beginning of period - shares at Dec. 31, 2014		665,849	665,849	[1]				66,368		66,368	[2]					21,294		21,294	[3]			37,818		37,818	[4]
Balance at beginning of period at Dec. 31, 2014															4,248
Balance at beginning of period at Dec. 31, 2014		$ 13,628	$ 7		9,433	6,462	(2,274)	$ 2,717		$ 364		1,603		750		$ 2,174		$ 424		1,521	229	$ 3,206		$ 308		2,596	302	0
Common stock shares issued	[1]		3,665
Common stock issued		111	$ 0		111
Stock-based compensation		20			20
Net income (loss)		(110)				(110)		136	[5]					136	177	88	[6]				88	117	[5]				117
Dividends, dividend equivalents, redemptions and distributions		(498)				(498)
Dividends declared on common stock								(107)						(107)		(58)					(58)	(81)					(81)
Distributions to member															(109)
Contributions from member															20
Capital contributions from parent								$ 207	[7]			207	[7]			$ 20				20
Distribution of PPL Energy Supply		(3,224)				(3,200)	(24)
Other comprehensive income (loss)		$ 14					14								(7)							$ (1)						(1)
Balance at end of period - shares at Jun. 30, 2015		669,514	669,514	[1]				66,368		66,368	[2]					21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Jun. 30, 2015															4,329
Balance at end of period at Jun. 30, 2015		$ 9,941	$ 7		9,564	2,654	(2,284)	$ 2,953		$ 364		1,810		779		$ 2,224		$ 424		1,541	259	$ 3,241		$ 308		2,596	338	(1)
Balance at beginning of period - shares at Mar. 31, 2015			667,713	[1]						66,368	[2]							21,294	[3]					37,818	[4]
Balance at beginning of period at Mar. 31, 2015															4,342
Balance at beginning of period at Mar. 31, 2015		14,036	$ 7		9,480	6,860	(2,311)	2,810		$ 364		1,653		793		2,204		$ 424		1,521	259	3,253		$ 308		2,596	350	(1)
Common stock shares issued	[1]		1,801
Common stock issued		57	$ 0		57
Stock-based compensation		27			27
Net income (loss)		(757)				(757)		49	[5]					49	60	35	[6]				35	39	[5]				39
Dividends, dividend equivalents, redemptions and distributions		(249)				(249)
Dividends declared on common stock								(63)						(63)		(35)					(35)	$ (51)					(51)
Distributions to member															(86)
Contributions from member															20
Capital contributions from parent								$ 157	[7]			157	[7]			$ 20				20
Distribution of PPL Energy Supply		(3,224)				(3,200)	(24)
Other comprehensive income (loss)		$ 51					51								(7)
Balance at end of period - shares at Jun. 30, 2015		669,514	669,514	[1]				66,368		66,368	[2]					21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Jun. 30, 2015															$ 4,329
Balance at end of period at Jun. 30, 2015		$ 9,941	$ 7		$ 9,564	$ 2,654	$ (2,284)	$ 2,953		$ 364		$ 1,810		$ 779		$ 2,224		$ 424		$ 1,541	$ 259	$ 3,241		$ 308		$ 2,596	$ 338	$ (1)

[1] Shares in thousands. Each share entitles the holder to one vote on any question presented at any shareowners' meeting.

[2] Shares in thousands. All common shares of PPL Electric stock are owned by PPL.

[3] Shares in thousands. All common shares of LG&E stock are owned by LKE .

[4] Shares in thousands. All common shares of K U stock are owned by LKE .

[5] Net income approximates comprehensive income.

[6] Net income equals comprehensive income.

[7] Includes non-cash contributions of $ 47 million .