CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Operating Revenues
Utility	$ 7,782		$ 7,201		$ 6,808
Unregulated wholesale energy	1,808		2,909		3,976
Unregulated retail energy	1,239		1,023		840
Energy-related businesses	670		588		508
Total Operating Revenues	11,499		11,721		12,132
Operation
Fuel	2,161		1,944		1,837
Energy purchases	1,041		1,967		2,555
Other operation and maintenance	2,803		2,779		2,791
Loss on lease termination	0		697		0
Depreciation	1,220		1,142		1,087
Taxes, other than income	374		351		352
Energy-related businesses	628		563		484
Total Operating Expenses	8,227		9,443		9,106
Operating Income (Loss)	3,272		2,278		3,026
Other Income (Expense) - net	118		(23)		(39)
Other-Than-Temporary Impairments	2		1		27
Interest Expense	1,024		994		951
Income (Loss) Before Income Taxes	2,364		1,260		2,009
Income Taxes	781		163		518
Income (Loss) from Continuing Operations After Income Taxes	1,583		1,097		1,491
Income (Loss) from Discontinued Operations (net of income taxes)	154		34		40
Net Income (Loss)	1,737		1,131		1,531
Net Income (Loss) Attributable to Noncontrolling Interests	0		1		5
Net Income (Loss) Attributable to Shareowners	1,737		1,130		1,526
Amounts Attributable to Shareowners:
Income from Continuing Operations After Income Taxes	1,583		1,096		1,486
Income (Loss) from Discontinued Operations (net of income taxes)	154		34		40
Net Income (Loss)	1,737		1,130		1,526
Income from Continuing Operations After Income Taxes Available to PPL Common Shareowners:
Basic (in dollars per share)	$ 2.41		$ 1.79		$ 2.55
Diluted (in dollars per share)	$ 2.38		$ 1.71		$ 2.54
Net Income Available to PPL Common Shareowners:
Basic (in dollars per share)	$ 2.64		$ 1.85		$ 2.61
Diluted (in dollars per share)	$ 2.61		$ 1.76		$ 2.6
Dividends Declared Per Share of Common Stock	$ 1.49		$ 1.47		$ 1.44
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Basic	653,504		608,983		580,276
Diluted	665,973		663,073		581,626
PPL Energy Supply LLC [Member]
Operating Revenues
Unregulated wholesale energy	1,808		2,909		3,976
Unregulated retail energy	1,243		1,027		844
Revenue to affiliates	84		51		78
Energy-related businesses	601		527		448
Total Operating Revenues	3,736		4,514		5,346
Operation
Fuel	1,196		1,049		965
Energy purchases	209		1,171		1,821
Other operation and maintenance	1,007		1,026		997
Loss on lease termination	0		697		0
Depreciation	297		299		272
Taxes, other than income	57		53		55
Energy-related businesses	573		512		432
Total Operating Expenses	3,339		4,807		4,542
Operating Income (Loss)	397		(293)		804
Other Income (Expense) - net	30		32		19
Interest Expense	124		159		158
Income (Loss) Before Income Taxes	303		(420)		665
Income Taxes	116	[1]	(159)	[1]	236	[1]
Income (Loss) from Continuing Operations After Income Taxes	187		(261)		429
Income (Loss) from Discontinued Operations (net of income taxes)	223		32		46
Net Income (Loss)	410		(229)		475
Net Income (Loss) Attributable to Noncontrolling Interests	0		1		1
Net Income (Loss) Attributable to Shareowners	410		(230)		474
Amounts Attributable to Shareowners:
Income from Continuing Operations After Income Taxes	187		(262)		428
Income (Loss) from Discontinued Operations (net of income taxes)	223		32		46
Net Income (Loss)	410		(230)		474
PPL Electric Utilities Corp [Member]
Operating Revenues
Total Operating Revenues	2,044		1,870		1,763
Operation
Energy purchases - realized	587		588		550
Energy purchases from affiliates	84		51		78
Other operation and maintenance	543		531		576
Depreciation	185		178		160
Taxes, other than income	107		103		105
Total Operating Expenses	1,506		1,451		1,469
Operating Income (Loss)	538		419		294
Other Income (Expense) - net	7		6		9
Interest Expense	122		108		99
Income (Loss) Before Income Taxes	423		317		204
Income Taxes	160		108		68
Net Income (Loss)	263	[2]	209	[2]	136	[2]
Distributions on Preferred Securities	0		0		4
Net Income Available to PPL	263		209		132
LG And E And KU Energy LLC [Member]
Operating Revenues
Total Operating Revenues	3,168		2,976		2,759
Operation
Fuel	965		896		872
Energy purchases - realized	253		217		195
Other operation and maintenance	815		778		778
Depreciation	354		334		346
Taxes, other than income	52		48		46
Total Operating Expenses	2,439		2,273		2,237
Operating Income (Loss)	729		703		522
Other Income (Expense) - net	(9)		(7)		(15)
Other-Than-Temporary Impairments	0		0		25
Interest Expense	167		144		150
Interest Expense with Affiliates	0		1		1
Income (Loss) Before Income Taxes	553		551		331
Income Taxes	209	[3]	206	[3]	106	[3]
Income (Loss) from Continuing Operations After Income Taxes	344		345		225
Income (Loss) from Discontinued Operations (net of income taxes)	0		2		(6)
Net Income (Loss)	344		347		219
Louisville Gas And Electric Co [Member]
Operating Revenues
Utility	1,445		1,351		1,247
Revenue to affiliates	88		59		77
Total Operating Revenues	1,533		1,410		1,324
Operation
Fuel	404		367		374
Energy purchases - realized	230		195		163
Energy purchases from affiliates	14		10		12
Other operation and maintenance	379		373		363
Depreciation	157		148		152
Taxes, other than income	25		24		23
Total Operating Expenses	1,209		1,117		1,087
Operating Income (Loss)	324		293		237
Other Income (Expense) - net	(3)		(2)		(3)
Interest Expense	49		34		42
Income (Loss) Before Income Taxes	272		257		192
Income Taxes	103		94		69
Net Income (Loss)	169	[4]	163	[4]	123	[4]
Kentucky Utilities Co [Member]
Operating Revenues
Utility	1,723		1,625		1,512
Revenue to affiliates	14		10		12
Total Operating Revenues	1,737		1,635		1,524
Operation
Fuel	561		529		498
Energy purchases - realized	23		22		32
Energy purchases from affiliates	88		59		77
Other operation and maintenance	408		382		384
Depreciation	197		186		193
Taxes, other than income	27		24		23
Total Operating Expenses	1,304		1,202		1,207
Operating Income (Loss)	433		433		317
Other Income (Expense) - net	(1)		(3)		(8)
Other-Than-Temporary Impairments	0		0		25
Interest Expense	77		70		69
Income (Loss) Before Income Taxes	355		360		215
Income Taxes	135	[5]	132	[5]	78	[5]
Net Income (Loss)	$ 220	[2]	$ 228	[2]	$ 137	[2]

[1] Excludes current and deferred federal and state tax expense recorded to Discontinued Operations of $109 million, $17 million and $27 million in 2014, 2013 and 2012. Also excludes federal and state tax expense (benefit) recorded to OCI of $(56) million, $47 million and $(267) million in 2014, 2013 and 2012.

[2] Net income approximates comprehensive income.

[3] Excludes current and deferred federal and state tax expense (benefit) recorded to Discontinued Operations of less than $1 million in 2014, $1 million in 2013,and $(4) million in 2012.Also, excludes deferred federal and state tax expense (benefit) recorded to OCI of $(36) million in 2014, $18 million in 2013and $(12) million in 2012.

[4] Net income equals comprehensive income.

[5] Excludes deferred federal and state tax expense (benefit) recorded to OCI of less than$(1) million in both 2014 and in 2013 and $1 million in 2012.