CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Millions, except Share data in Thousands		Total		Common Stock		Additional Paid-in Capital		Earnings Reinvested	Accumulated Other Comprehensive Loss		Member's Equity	Non-controlling Interests	PPL Energy Supply LLC [Member]		PPL Energy Supply LLC [Member] Member's Equity		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] Preferred Securities	PPL Electric Utilities Corp [Member] Additional Paid-in Capital	PPL Electric Utilities Corp [Member] Earnings Reinvested	LG And E And KU Energy LLC [Member]	LG And E And KU Energy LLC [Member] Member's Equity	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 Dec. 31, 2010																			$ 1,944		$ 364		$ 250	$ 879	$ 451			$ 1,721	$ 424		$ 1,278	$ 19	$ 2,691	$ 308		$ 2,348	$ 35
Balance at beginning of period at Dec. 31, 2010		8,478		5		4,602		4,082	(479)	[1]		268
Balance at beginning of period - shares at Dec. 31, 2010				483,391	[1],[2]																66,368	[3]							21,294	[4]				37,818	[5]
Balance at beginning of period at Dec. 31, 2010	[1]												4,509		4,491		18										4,011
Common stock shares issued	[2],[6]			95,014
Common stock issued		2,345		1	[6]	2,344	[6]
Purchase Contracts	[7]	(143)				(143)
Stock-based compensation	[8]	10				10
Net income (loss)		1,512						1,495				17	769		768		1		189	[9]					189	265		124				124	178				178
Dividends, dividend equivalents, redemptions and distributions	[10]	(797)						(780)				(17)
Cash dividends declared on preferred securities																			(16)						(16)
Cash dividends declared on common stock																			(92)						(92)			(83)				(83)					(124)
Distributions to member													(317)		(316)		(1)										(533)
Distribution of membership interest in PPL Global	[11]										(1,288)		(1,288)
Contributions from member													461		461
Capital contributions from parent																			100					100
Other comprehensive income (loss)		(309)							(309)				(97)		(97)											(2)
Balance at end of period at Dec. 31, 2011																			2,125		364			979	532			1,762	424		1,278	60	2,745	308		2,348	89
Balance at end of period at Dec. 31, 2011		11,096		6		6,813		4,797	(788)	[1]		268
Balance at end of period at Dec. 31, 2011	[1]																										3,741
Balance at end of period - shares at Dec. 31, 2011				578,405	[1],[2]																66,368	[3]							21,294	[4]				37,818	[5]
Balance at end of period at Dec. 31, 2011	[1]												4,037		4,019		18
Net income (loss)		545	[12]																37	[13]
Balance at end of period at Mar. 31, 2012
Balance at beginning of period at Dec. 31, 2011																			2,125		364		250	979	532			1,762	424		1,278	60	2,745	308		2,348	89
Balance at beginning of period at Dec. 31, 2011		11,096		6		6,813		4,797	(788)	[1]		268
Balance at beginning of period at Dec. 31, 2011	[1]																										3,741
Balance at beginning of period - shares at Dec. 31, 2011				578,405	[1],[2]																66,368	[3]							21,294	[4]				37,818	[5]
Balance at beginning of period at Dec. 31, 2011	[1]												4,037		4,019		18
Common stock shares issued	[2],[6]			3,543
Common stock issued		99				99
Common stock shares repurchased	[2]			4
Stock-based compensation	[8]	18				18
Net income (loss)		1,531						1,526				5	475		474		1	[1]	136	[9]					136	219		123				123	137				137
Dividends, dividend equivalents, redemptions and distributions	[10]	(1,094)				6		(845)				(255)
Cash dividends declared on preferred securities																			(4)						(4)
Cash dividends declared on common stock																			(95)						(95)			(75)				(75)	(100)				(100)
Distributions to member													(788)		(787)		(1)										(155)
Contributions from member													563		563
Capital contributions from parent																			150					150
Redemption of preferred securities	[14]																		(250)				(250)	6	(6)
Other comprehensive income (loss)		(1,152)							(1,152)				(439)		(439)											(19)							1					1
Balance at end of period at Dec. 31, 2012		10,480																	2,062		364			1,135	563			1,810	424		1,278	108	2,783	308		2,348	126	1	[1]
Balance at end of period at Dec. 31, 2012		10,498		6		6,936		5,478	(1,940)	[1]		18
Balance at end of period at Dec. 31, 2012													3,830													3,786
Balance at end of period - shares at Dec. 31, 2012		581,944		581,944	[1],[2]														66,368		66,368	[3]						21,294	21,294	[4]			37,818	37,818	[5]
Balance at end of period at Dec. 31, 2012													3,848		3,830	[1]	18	[1]
Balance at beginning of period at Sep. 30, 2012
Net income (loss)		360	[12]																37	[13]
Balance at end of period at Dec. 31, 2012		10,480																	2,062		364
Balance at end of period at Dec. 31, 2012		10,498
Balance at end of period - shares at Dec. 31, 2012		581,944																	66,368		66,368	[3]
Net income (loss)		413	[12]																64	[13]
Balance at end of period at Mar. 31, 2013
Balance at beginning of period at Dec. 31, 2012		10,480																	2,062		364			1,135	563			1,810	424		1,278	108	2,783	308		2,348	126	1	[1]
Balance at beginning of period at Dec. 31, 2012		10,498		6		6,936		5,478	(1,940)	[1]		18
Balance at beginning of period at Dec. 31, 2012													3,830													3,786
Balance at beginning of period - shares at Dec. 31, 2012		581,944		581,944	[1],[2]														66,368		66,368	[3]						21,294	21,294	[4]			37,818	37,818	[5]
Balance at beginning of period at Dec. 31, 2012													3,848		3,830	[1]	18	[1]
Common stock shares issued	[2],[6]			50,807
Common stock issued		1,437				1,437
Common stock shares repurchased		2,400		(2,430)	[15],[2]
Common stock repurchased	[15]	(74)				(74)
Cash settlement of equity forward agreements	[15]	(13)				(13)
Stock-based compensation	[8]	30				30
Net income (loss)		1,131						1,130				1	(229)		(230)		1		209	[9]					209	347		163				163	228				228
Dividends, dividend equivalents, redemptions and distributions	[10]	(918)						(899)				(19)
Cash dividends declared on common stock																			(127)						(127)			(99)				(99)	(124)				(124)
Distributions to member													(427)	[16]	(408)	[16]	(19)	[16]									(254)
Contributions from member													1,577		1,577												243
Capital contributions from parent																			205					205				86			86		157			157
Other comprehensive income (loss)		375							375				29		29											28
Balance at end 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	[1]
Balance at end of period at Dec. 31, 2013		12,466		6		8,316		5,709	(1,565)	[1]
Balance at end of period at Dec. 31, 2013													4,798													4,150
Balance at end of period - shares at Dec. 31, 2013		630,321		630,321	[1],[2]														66,368		66,368	[3]						21,294	21,294	[4]			37,818	37,818	[5]
Balance at end of period at Dec. 31, 2013													4,798		4,798	[1]
Balance at beginning of period at Sep. 30, 2013
Net income (loss)		(98)	[12],[17]																49	[13]
Balance at end of period at Dec. 31, 2013		12,466																	2,349		364
Balance at end of period at Dec. 31, 2013		$ 12,466
Balance at end of period - shares at Dec. 31, 2013		630,321																	66,368		66,368	[3]

[1] See Note 24 for disclosure of balances of each component of AOCI.

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

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

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

[5] Shares in thousands. All common shares of KU stock are owned by LKE.

[6] All years presented include shares of common stock issued through various stock and incentive compensation plans. 2011 includes the April issuance of common stock and 2013 includes the April and July issuances of common stock. See Note 7 for additional information.

[7] Represents $123 million for the 2011 Purchase Contracts and $20 million of related fees and expenses, net of tax. See Note 7 for additional information.

[8] 2013, 2012 and 2011 include $50 million, $47 million and $33 million of stock-based compensation expense related to new and existing unvested equity awards, and $(20) million, $(29) million and $(23) 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.

[9] Net income approximates comprehensive income.

[10] "Earnings reinvested" includes dividends and dividend equivalents on PPL common stock and restricted stock units. "Noncontrolling interests" includes dividends, redemptions and distributions to noncontrolling interests. In December 2013, a distribution to noncontrolling interests was made related to the purchase of the Lower Mt. Bethel plant. See Note 22 for additional information. In June 2012, PPL Electric redeemed all of its outstanding preference stock at par value, which was classified as noncontrolling interest. See Note 3 for additional information.

[11] See Note 9 for additional information.

[12] Quarterly results can vary depending on, among other things, weather and the forward pricing of power. Accordingly, comparisons among quarters of a year may not be indicative of overall trends and changes in operations.

[13] PPL Electric's business is seasonal in nature, with peak sales periods generally occurring in the winter and summer months. Accordingly, comparisons among quarters of a year may not be indicative of overall trends and changes in operations.

[14] In June 2012, PPL Electric redeemed all of its outstanding preference stock. See Note 3 for additional information.

[15] See Note 7 for additional information.

[16] In December 2013, a distribution to noncontrolling interests was made related to the purchase of the Lower Mt. Bethel plant. See Note 22 for additional information.

[17] Fourth quarter of 2013 includes a charge for the termination of the lease of the Colstrip coal-fired electric generating facility in Montana. See Note 8 to the Financial Statements for additional information.