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		Accumulated Other Comprehensive Loss Successor [Member]	Non-controlling Interests	PPL Energy Supply [Member]	PPL Energy Supply [Member] Member's Equity		PPL Energy Supply [Member] Non-controlling Interests	PPL Electric [Member]	PPL Electric [Member] Common Stock		PPL Electric [Member] Preferred Stock [Member]	PPL Electric [Member] Additional Paid-in Capital	PPL Electric [Member] Earnings Reinvested	LKE [Member] Successor [Member]	LKE [Member] Predecessor [Member]	LKE [Member] Member's Equity Successor [Member]		LKE [Member] Member's Equity Predecessor [Member]		LKE [Member] Non-controlling Interests Successor [Member]	LKE [Member] Non-controlling Interests Predecessor [Member]		LGE [Member]	LGE [Member] Successor [Member]	LGE [Member] Predecessor [Member]	LGE [Member] Common Stock Successor [Member]		LGE [Member] Common Stock Predecessor [Member]		LGE [Member] Additional Paid-in Capital Successor [Member]	LGE [Member] Additional Paid-in Capital Predecessor [Member]	LGE [Member] Earnings Reinvested Successor [Member]	LGE [Member] Earnings Reinvested Predecessor [Member]	LGE [Member] Accumulated Other Comprehensive Loss Successor [Member]	LGE [Member] Accumulated Other Comprehensive Loss Predecessor [Member]		KU [Member]	KU [Member] Successor [Member]	KU [Member] Predecessor [Member]	KU [Member] Common Stock Successor [Member]		KU [Member] Common Stock Predecessor [Member]		KU [Member] Additional Paid-in Capital Successor [Member]	KU [Member] Additional Paid-in Capital Predecessor [Member]	KU [Member] Earnings Reinvested Successor [Member]	KU [Member] Earnings Reinvested Predecessor [Member]	KU [Member] Accumulated Other Comprehensive Loss Successor [Member]	KU [Member] Accumulated Other Comprehensive Loss Predecessor [Member]
Balance at beginning of period at Dec. 31, 2008																	$ 1,646	$ 364		$ 301	$ 424	$ 557												$ 1,234			$ 424			$ 84		$ 740		$ (14)	[1]			$ 1,744			$ 308			$ 241		$ 1,195		$ 0
Balance at beginning of period at Dec. 31, 2008		5,396		4		2,196		3,862	(985)	[1]		319
Balance at beginning of period - shares at Dec. 31, 2008				374,581	[2]													66,368	[3]																		21,294	[4]													37,818	[5]
Balance at beginning of period at Dec. 31, 2008													4,812	4,794	[1]	18								3,797			3,765	[1]		32	[1]
Common stock shares issued	[2],[6]			2,649
Common stock issued		83				83
Common stock shares repurchased				47
Common stock repurchased		(1)				(1)
Stock-based compensation		2				2
Net income		426						407				19	247	246		1	142					142		(1,537)			(1,542)			5				95			0			0		95		0				133			0			0		133		0
Dividends, dividend equivalents and distributions																								(2)			0			(2)
Dividends, dividend equivalents, redemptions and distributions	[7]	(540)						(521)				(19)
Cash dividends declared on preferred securities																	(18)					(18)
Cash dividends declared on common stock																	(274)					(274)												(80)			0			0		(80)		0
Distributions to member													(944)	(943)		(1)								(49)			(49)			0
Contributions from member													50	50										0																								75			0			75		0		0
Capital contributions from PPL																	400				400
Other comprehensive income (loss)		449							449				421	421										15			15			0				4			0			0		0		4				0
Noncontrolling interest - income (loss) from discontinued operations																								0			3			(3)
Cumulative effect adjustment	[8]							1	(1)
Balance at end of period at Dec. 31, 2009																	1,896	364			824	407												1,253			424			84		755		(10)	[1]			1,952			308			316		1,328		0
Balance at end of period at Dec. 31, 2009		5,815		4		2,280		3,749	(537)	[1]		319
Balance at end of period - shares at Dec. 31, 2009				377,183	[2]													66,368	[3]																		21,294	[4]													37,818	[5]
Balance at end of period at Dec. 31, 2009													4,586	4,568	[1]	18								2,224			2,192	[1]		32	[1]
Net income																								190			190			0				109			0			0		109		0				140			0			0		140		0
Cash dividends declared on common stock																																		(55)			0			0		(55)		0				(50)			0			0		(50)		0
Distributions to member																								(81)			(81)			0
Contributions from member																								0																								0
Other comprehensive income (loss)																								(10)			(10)			0				10			0			0		0		10				(2)			0			0		0		(2)
Noncontrolling interest - income (loss) from discontinued operations																								(43)			(11)			(32)
Balance at end of period at Oct. 31, 2010																																		1,317			424			84		809		0				2,040			308			316		1,418		(2)	[1]
Balance at end of period - shares at Oct. 31, 2010																																					21,294	[4]													37,818	[5]
Balance at end of period at Oct. 31, 2010																								2,280			2,280	[1]		0
Balance at beginning of period at Dec. 31, 2009																	1,896	364		301	824	407
Balance at beginning of period at Dec. 31, 2009		5,815		4		2,280		3,749	(537)	[1]		319
Balance at beginning of period - shares at Dec. 31, 2009				377,183	[2]													66,368	[3]
Balance at beginning of period at Dec. 31, 2009													4,586	4,568	[1]	18
Common stock shares issued	[2],[6]			106,208
Common stock issued		2,491	[6]	1		2,490	[6]
Purchase Contracts	[9]	(176)				(176)
Stock-based compensation		8				8
Net income		959						938				21	862	861		1	135					135
Dividends, dividend equivalents, redemptions and distributions	[7]	(677)						(605)				(72)
Cash dividends declared on preferred securities																	(17)					(17)
Cash dividends declared on common stock																	(71)					(71)
Distributions to member													(4,693)	(4,692)		(1)
Contributions from member													3,625	3,625
Capital contributions from PPL																	55				55
Redemption of preferred stock	[10]																(54)			(51)		(3)
Other comprehensive income (loss)		58							58				129	129
Balance at end of period at Dec. 31, 2010		8,210																364		250	879	451
Balance at end of period at Dec. 31, 2010		8,478		5		4,602		4,082	(479)	[1]		268					1,944															1,721														2,691
Balance at end of period - shares at Dec. 31, 2010		483,391		483,391	[2]												66,368	66,368	[3]													21,294														37,818
Balance at end of period at Dec. 31, 2010													4,509	4,491	[1]	18
Balance at beginning of period at Oct. 31, 2010
Effect Of PPL Acquisition											0												213		213				0				385		0				1,194		(809)						616		0				2,032		(1,418)		2
Net income																							47		47				0				19		0				0		19		0				35		0				0		35		0
Distributions to member																							(100)		(100)				0
Contributions from member																							1,565		1,565				0																		0
Other comprehensive income (loss)																							6		6				0				0														0
Balance at end of period at Dec. 31, 2010		8,210																364			879	451													424				1,278		19		0						308				2,348		35		0
Balance at end of period at Dec. 31, 2010		8,478		5		4,602		4,082	(479)	[1]		268					1,944															1,721														2,691
Balance at end of period - shares at Dec. 31, 2010		483,391		483,391	[2]												66,368	66,368	[3]													21,294			21,294	[4]										37,818			37,818	[5]
Balance at end of period at Dec. 31, 2010													4,509	4,491	[1]	18									4,011	[1]			0
Common stock shares issued	[2],[6]			95,014
Common stock issued		2,345	[6]	1		2,344	[6]
Purchase Contracts	[9]	(143)				(143)
Stock-based compensation		10				10
Net income		1,512						1,495				17	769	768		1	189					189	265		265				0				124		0				0		124		0				178		0				0		178		0
Dividends, dividend equivalents, redemptions and distributions	[7]	(797)						(780)				(17)
Cash dividends declared on preferred securities																	(16)					(16)
Cash dividends declared on common stock																	(92)					(92)											(83)		0				0		(83)		0				(124)		0				0		(124)		0
Distributions to member													(317)	(316)		(1)							(533)		(533)				0
Distribution of membership interest in PPL Global	[11]												(1,288)	(1,288)
Contributions from member													461	461									0																								0
Capital contributions from PPL																	100				100
Other comprehensive income (loss)		(309)							(309)				(97)	(97)									(2)		(2)				0				0														0
Balance at end of period at Dec. 31, 2011		10,828																364		250	979	532													424				1,278		60		0						308				2,348		89		0
Balance at end of period at Dec. 31, 2011		11,096		6		6,813		4,797	(788)	[1]		268					2,125															1,762														2,745
Balance at end of period - shares at Dec. 31, 2011		578,405		578,405	[2]												66,368	66,368	[3]													21,294			21,294	[4]										37,818			37,818	[5]
Balance at end of period at Dec. 31, 2011													$ 4,037	$ 4,019	[1]	$ 18									$ 3,741	[1]			$ 0

[1] See “General - Comprehensive Income” in Note 1 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 to 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] 2011 includes the April issuance of 92 million shares of common stock. See Note 7 for additional information. 2010 includes the June issuance of 103.5 million shares of common stock. Each year includes shares of common stock issued through various stock and incentive compensation plans.

[7] "Earnings reinvested" includes dividends and dividend equivalents on PPL Corporation common stock and restricted stock units. "Noncontrolling interests" includes dividends, redemptions and distributions to noncontrolling interests. 2010 includes $54 million paid to redeem PPL Electric's preferred stock, including an insignificant premium.

[8] Recorded in connection with the adoption of accounting guidance related to the recognition and presentation of other-than-temporary impairments.

[9] 2011 includes $123 million for the 2011 Purchase Contracts and $20 million of related fees and expenses, net of tax. See Note 7 for additional information. 2010 includes $157 million for the 2010 Purchase Contracts and $19 million of related fees and expenses, net of tax.

[10] In April 2010, PPL Electric redeemed all of its outstanding preferred stock. See Note 3 for additional information.

[11] See Note 9 for additional information.