CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (USD $) In Millions, except Share data in Thousands		Total	Common Stock		Additional Paid-in Capital	Earnings Reinvested	Accumulated Other Comprehensive Loss	Non-controlling Interests	PPL Energy Supply LLC [Member]	PPL Energy Supply LLC [Member] Members Equity [Member]	PPL Energy Supply LLC [Member] Non-controlling Interests	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 at Mar. 31, 2013												$ 2,161		$ 364		$ 1,195	$ 602			$ 1,860		$ 424		$ 1,303	$ 133	$ 2,884		$ 308		$ 2,398	$ 177	$ 1
Balance at beginning of period at Mar. 31, 2013		10,542	6		6,988	5,676	(2,146)	18
Balance at beginning of period at Mar. 31, 2013																		3,952
Balance at beginning of period - shares at Mar. 31, 2013			583,214	[1]										66,368	[2]							21,294	[3]					37,818	[4]
Balance at beginning of period at Mar. 31, 2013									3,494	3,476	18
Common stock shares issued	[1],[5]		9,338
Common stock issued	[5]	245			245
Common stock shares repurchased			930
Common stock repurchased		(28)			(28)
Cash settlement of equity forward agreements		(13)			(13)
Stock-based compensation	[6]	3			3
Net income (loss)		405				405			86	86		45	[7]				45	64	[7]	29	[8]				29	44	[7]				44
Dividends, dividend equivalents and distributions	[9]	(218)				(218)
Cash dividends declared on common stock												(41)					(41)			(29)					(29)	(42)					(42)
Distributions to member									(95)	(95)								(65)
Contributions from member									105	105								71
Capital Contributions From Parent												145				145				29				29		42				42
Other comprehensive income (loss)		18					18		(31)	(31)
Balance at end of period at Jun. 30, 2013												2,310		364		1,340	606			1,889		424		1,332	133	2,928		308		2,440	179	1
Balance at end of period at Jun. 30, 2013		10,954	6		7,195	5,863	(2,128)	18
Balance at end of period at Jun. 30, 2013																		4,022
Balance at end of period - shares at Jun. 30, 2013			591,622	[1]										66,368	[2]							21,294	[3]					37,818	[4]
Balance at end of period at Jun. 30, 2013									3,559	3,541	18
Balance at beginning of period at Dec. 31, 2012												2,062		364		1,135	563			1,810		424		1,278	108	2,783		308		2,348	126	1
Balance at beginning of period at Dec. 31, 2012		10,498	6		6,936	5,478	(1,940)	18
Balance at beginning of period at Dec. 31, 2012																		3,786
Balance at beginning of period - shares at Dec. 31, 2012			581,944	[1]										66,368	[2]							21,294	[3]					37,818	[4]
Balance at beginning of period at Dec. 31, 2012									3,848	3,830	18
Common stock shares issued	[1],[5]		10,608
Common stock issued	[5]	282			282
Common stock shares repurchased			930
Common stock repurchased		(28)			(28)
Cash settlement of equity forward agreements		(13)			(13)
Stock-based compensation	[6]	18			18
Net income (loss)		818				818			48	48		109	[7]				109	160	[7]	73	[8]				73	108	[7]				108
Dividends, dividend equivalents and distributions	[9]	(433)				(433)
Cash dividends declared on common stock												(66)					(66)			(48)					(48)	(55)					(55)
Distributions to member									(408)	(408)								(69)
Contributions from member									105	105								146
Capital Contributions From Parent												205				205				54				54		92				92
Other comprehensive income (loss)		(188)					(188)		(34)	(34)								(1)
Balance at end of period at Jun. 30, 2013												2,310		364		1,340	606			1,889		424		1,332	133	2,928		308		2,440	179	1
Balance at end of period at Jun. 30, 2013		10,954	6		7,195	5,863	(2,128)	18
Balance at end of period at Jun. 30, 2013																		4,022
Balance at end of period - shares at Jun. 30, 2013			591,622	[1]										66,368	[2]							21,294	[3]					37,818	[4]
Balance at end of period at Jun. 30, 2013									3,559	3,541	18
Balance at beginning of period at Dec. 31, 2013		12,466										2,349		364		1,340	645			1,960		424		1,364	172	3,044		308		2,505	230	1
Balance at beginning of period at Dec. 31, 2013			6		8,316	5,709	(1,565)
Balance at beginning of period at Dec. 31, 2013									4,798									4,150
Balance at beginning of period - shares at Dec. 31, 2013		630,321	630,321	[1]								66,368		66,368	[2]					21,294		21,294	[3]			37,818		37,818	[4]
Balance at beginning of period at Dec. 31, 2013										4,798
Common stock shares issued	[1],[5]		33,697
Common stock issued	[5]	1,028	1		1,027
Stock-based compensation	[6]	15			15
Net income (loss)		545				545			(53)	(53)		137	[7]				137	180	[7]	87	[8]				87	117	[7]				117
Dividends, dividend equivalents and distributions	[9]	(486)				(486)
Cash dividends declared on common stock												(87)					(87)			(60)					(60)	(86)					(86)
Distributions to member									(914)	(914)								(221)
Contributions from member									730	730								119
Capital Contributions From Parent												95				95				53				53		66				66
Other comprehensive income (loss)		167					167		8	8								(3)								(1)						(1)
Balance at end of period at Jun. 30, 2014		13,735										2,494		364		1,435	695			2,040		424		1,417	199	3,140		308		2,571	261
Balance at end of period at Jun. 30, 2014			7		9,358	5,768	(1,398)
Balance at end of period at Jun. 30, 2014									4,569									4,225
Balance at end of period - shares at Jun. 30, 2014		664,018										66,368		66,368	[2]					21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Jun. 30, 2014										4,569
Balance at beginning of period at Mar. 31, 2014												2,467		364		1,405	698			1,985		424		1,364	197	3,123		308		2,545	270
Balance at beginning of period at Mar. 31, 2014		12,717	6		8,352	5,788	(1,429)
Balance at beginning of period at Mar. 31, 2014																		4,200
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									4,079	4,079
Common stock shares issued	[1],[5]		32,601
Common stock issued	[5]	998	1		997
Stock-based compensation	[6]	9			9
Net income (loss)		229				229			13	13		52	[7]				52	65	[7]	35	[8]				35	40	[7]				40
Dividends, dividend equivalents and distributions	[9]	(249)				(249)
Cash dividends declared on common stock												(55)					(55)			(33)					(33)	(49)					(49)
Distributions to member									(260)	(260)								(117)
Contributions from member									730	730								79
Capital Contributions From Parent												30				30				53				53		26				26
Other comprehensive income (loss)		31					31		7	7								(2)
Balance at end of period at Jun. 30, 2014		13,735										2,494		364		1,435	695			2,040		424		1,417	199	3,140		308		2,571	261
Balance at end of period at Jun. 30, 2014			7		9,358	5,768	(1,398)
Balance at end of period at Jun. 30, 2014									4,569									4,225
Balance at end of period - shares at Jun. 30, 2014		664,018										66,368		66,368	[2]					21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Jun. 30, 2014										$ 4,569

[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 KU stock are owned by LKE.

[5] Each period includes shares of common stock issued through various stock and incentive compensation plans. The 2014 periods include the May issuance of shares of common stock to settle the 2011 Purchase Contracts. See Note 7 for additional information. The 2013 periods include the April issuance of shares of common stock to settle the forward sales agreements.

[6] The three and six months ended June 30, 2014 include $12 million and $39 million and the three and six months ended June 30, 2013 include $8 million and $36 million of stock-based compensation expense related to new and existing unvested equity awards. The three and six months ended June 30, 2014 include $(3) million and $(24) million and the three and six months ended June 30, 2013 include $(5) million and $(18) million related primarily to the reclassification from "Stock-based compensation" to "Common stock issued" for the issuance of common stock after applicable equity award vesting periods and tax adjustments related to stock-based compensation.

[7] Net income approximates comprehensive income.

[8] Net income equals comprehensive income.

[9] Includes dividends and dividend equivalents on PPL common stock and restricted stock units.