CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 1,751		$ 1,102
Short-term investments	120		0
Restricted cash and cash equivalents	180		83
Accounts receivable (less reserve:)
Customer	923		923
Other	171		97
Unbilled revenues	735		835
Fuel, materials and supplies	836		702
Prepayments	87		153
Deferred income taxes	129		246
Price risk management assets	1,158		942
Regulatory assets	37		33
Other current assets	32		37
Total Current Assets	6,159		5,153
Investments
Nuclear plant decommissioning trust funds	950		864
Other investments	35		43
Total Investments	985		907
Property, Plant and Equipment
Regulated utility plant	30,568		27,755
Less: accumulated depreciation - regulated utility plant	5,361		4,873
Regulated utility plant, net	25,207		22,882
Non-regulated property, plant and equipment
Generation	11,310		11,881
Nuclear fuel	624		591
Other	885		834
Less: accumulated depreciation - non-regulated property, plant and equipment	6,404		6,172
Non-regulated property, plant and equipment, net	6,415		7,134
Construction work in progress	2,975		3,071
Property, Plant and Equipment, net	34,597		33,087
Other Noncurrent Assets
Regulatory assets	1,562		1,246
Goodwill	4,005	[1]	4,225	[1]
Other intangibles	925		947
Price risk management assets	319		337
Other noncurrent assets	312		357
Total Other Noncurrent Assets	7,123		7,112
Total Assets	48,864		46,259
Current Liabilities
Short-term debt	1,466		701
Long-term debt due within one year	1,535		315
Accounts payable	1,356		1,308
Taxes	230		114
Interest	314		325
Dividends	249		232
Price risk management liabilities	1,126		829
Regulatory liabilities	91		90
Other current liabilities	1,076		998
Total Current Liabilities	7,443		4,912
Long-term Debt	18,856		20,592
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	4,450		3,928
Investment tax credits	159		342
Price risk management liabilities	252		415
Accrued pension obligations	1,756		1,286
Asset retirement obligations	739		687
Regulatory liabilities	992		1,048
Other deferred credits and noncurrent liabilities	589		583
Total Deferred Credits and Other Noncurrent Liabilities	8,937		8,289
Commitments and Contingent Liabilities
Equity
Common stock	7	[2]	6	[2]
Additional paid-in capital	9,433		8,316
Earnings reinvested	6,462		5,709
Accumulated other comprehensive income (loss)	(2,274)		(1,565)
Total Stockholders' Equity	13,628		12,466
Total Liabilities and Equity	48,864		46,259
PPL Energy Supply LLC [Member]
Current Assets
Cash and cash equivalents	352		239
Restricted cash and cash equivalents	176		68
Accounts receivable (less reserve:)
Customer	186		233
Other	103		97
Accounts receivable from affiliates	36		45
Unbilled revenues	218		286
Fuel, materials and supplies	455		358
Prepayments	70		20
Price risk management assets	1,079		860
Other current assets	26		27
Total Current Assets	2,701		2,233
Investments
Nuclear plant decommissioning trust funds	950		864
Other investments	30		37
Total Investments	980		901
Non-regulated property, plant and equipment
Generation	11,318		11,891
Nuclear fuel	624		591
Other	293		288
Less: accumulated depreciation - non-regulated property, plant and equipment	6,242		6,046
Non-regulated property, plant and equipment, net	5,993		6,724
Construction work in progress	443		450
Property, Plant and Equipment, net	6,436		7,174
Other Noncurrent Assets
Goodwill	72		86
Other intangibles	257		266
Price risk management assets	239		328
Other noncurrent assets	75		86
Total Other Noncurrent Assets	643		766
Total Assets	10,760		11,074
Current Liabilities
Short-term debt	630		0
Long-term debt due within one year	535		304
Accounts payable	361		393
Accounts payable to affiliates	50		4
Taxes	28		31
Interest	16		22
Price risk management liabilities	1,024		750
Other current liabilities	246		278
Total Current Liabilities	2,890		1,782
Long-term Debt	1,683		2,221
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,223		1,114
Investment tax credits	27		205
Price risk management liabilities	193		320
Accrued pension obligations	299		111
Asset retirement obligations	415		393
Other deferred credits and noncurrent liabilities	123		130
Total Deferred Credits and Other Noncurrent Liabilities	2,280		2,273
Commitments and Contingent Liabilities
Equity
Accumulated other comprehensive income (loss)	(23)		77
Member's Equity	3,907		4,798
Total Liabilities and Equity	10,760		11,074
PPL Electric Utilities Corp [Member]
Current Assets
Cash and cash equivalents	214		25
Accounts receivable (less reserve:)
Customer	312		284
Other	44		5
Accounts receivable from affiliates	1		4
Unbilled revenues	113		116
Notes receivable from affiliates	0		150
Fuel, materials and supplies	43		35
Prepayments	10		40
Deferred income taxes	58		85
Regulatory assets	12		6
Other current assets	12		16
Total Current Assets	819		766
Property, Plant and Equipment
Regulated utility plant	7,589		6,888
Less: accumulated depreciation - regulated utility plant	2,517		2,417
Regulated utility plant, net	5,072		4,471
Non-regulated property, plant and equipment
Construction work in progress	738		591
Property, Plant and Equipment, net	5,810		5,062
Other Noncurrent Assets
Regulatory assets	897		772
Other intangibles	235		211
Other noncurrent assets	24		35
Total Other Noncurrent Assets	1,156		1,018
Total Assets	7,785		6,846
Current Liabilities
Short-term debt	0		20
Long-term debt due within one year	100		10
Accounts payable	325		295
Accounts payable to affiliates	70		57
Taxes	85		51
Interest	34		34
Regulatory liabilities	76		76
Other current liabilities	103		82
Total Current Liabilities	793		625
Long-term Debt	2,502		2,305
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,483		1,399
Accrued pension obligations	212		96
Regulatory liabilities	18		15
Other deferred credits and noncurrent liabilities	60		57
Total Deferred Credits and Other Noncurrent Liabilities	1,773		1,567
Commitments and Contingent Liabilities
Equity
Common stock	364	[3]	364	[3]
Additional paid-in capital	1,603		1,340
Earnings reinvested	750		645
Total Stockholders' Equity	2,717		2,349
Total Liabilities and Equity	7,785		6,846
LG And E And KU Energy LLC [Member]
Current Assets
Cash and cash equivalents	21		35
Accounts receivable (less reserve:)
Customer	231		224
Other	18		20
Unbilled revenues	167		180
Notes receivable from affiliates	0		70
Fuel, materials and supplies	311		278
Prepayments	28		21
Income taxes receivable	136		0
Deferred income taxes	16		159
Regulatory assets	25		27
Other current assets	3		3
Total Current Assets	956		1,017
Property, Plant and Equipment
Regulated utility plant	10,007		8,526
Less: accumulated depreciation - regulated utility plant	1,067		778
Regulated utility plant, net	8,940		7,748
Non-regulated property, plant and equipment
Other, net	5		3
Construction work in progress	1,559		1,793
Property, Plant and Equipment, net	10,504		9,544
Other Noncurrent Assets
Regulatory assets	665		474
Goodwill	996		996
Other intangibles	174		221
Other noncurrent assets	101		98
Total Other Noncurrent Assets	1,936		1,789
Total Assets	13,396		12,350
Current Liabilities
Short-term debt	575		245
Long-term debt due within one year	900		0
Notes payable with affiliates	41		0
Accounts payable	399		346
Accounts payable to affiliates	2		3
Taxes	36		39
Interest	23		23
Price risk management liabilities	5		4
Price risk management liabilities from affiliates	66		0
Regulatory liabilities	15		14
Customer deposits	52		50
Other current liabilities	131		111
Total Current Liabilities	2,245		835
Long-term Debt	3,667		4,565
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,241		965
Investment tax credits	131		135
Price risk management liabilities	43		32
Accrued pension obligations	305		152
Asset retirement obligations	274		245
Regulatory liabilities	974		1,033
Other deferred credits and noncurrent liabilities	268		238
Total Deferred Credits and Other Noncurrent Liabilities	3,236		2,800
Commitments and Contingent Liabilities
Equity
Accumulated other comprehensive income (loss)	(45)		13
Member's Equity	4,248		4,150
Total Liabilities and Equity	13,396		12,350
Louisville Gas And Electric Co [Member]
Current Assets
Cash and cash equivalents	10		8
Accounts receivable (less reserve:)
Customer	107		102
Other	11		9
Accounts receivable from affiliates	23		0
Unbilled revenues	76		85
Fuel, materials and supplies	162		154
Prepayments	8		7
Income taxes receivable	74		0
Regulatory assets	21		17
Other current assets	1		3
Total Current Assets	493		385
Property, Plant and Equipment
Regulated utility plant	4,031		3,383
Less: accumulated depreciation - regulated utility plant	456		332
Regulated utility plant, net	3,575		3,051
Non-regulated property, plant and equipment
Construction work in progress	676		651
Property, Plant and Equipment, net	4,251		3,702
Other Noncurrent Assets
Regulatory assets	397		303
Goodwill	389		389
Other intangibles	97		120
Other noncurrent assets	35		35
Total Other Noncurrent Assets	918		847
Total Assets	5,662		4,934
Current Liabilities
Short-term debt	264		20
Long-term debt due within one year	250		0
Accounts payable	240		166
Accounts payable to affiliates	20		24
Taxes	19		11
Interest	6		6
Price risk management liabilities	5		4
Price risk management liabilities from affiliates	33		0
Regulatory liabilities	10		9
Customer deposits	25		24
Other current liabilities	42		32
Total Current Liabilities	914		296
Long-term Debt	1,103		1,353
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	700		582
Investment tax credits	36		38
Price risk management liabilities	43		32
Accrued pension obligations	57		19
Asset retirement obligations	66		68
Regulatory liabilities	458		482
Other deferred credits and noncurrent liabilities	111		104
Total Deferred Credits and Other Noncurrent Liabilities	1,471		1,325
Commitments and Contingent Liabilities
Equity
Common stock	424	[4]	424	[4]
Additional paid-in capital	1,521		1,364
Earnings reinvested	229		172
Total Stockholders' Equity	2,174		1,960
Total Liabilities and Equity	5,662		4,934
Kentucky Utilities Co [Member]
Current Assets
Cash and cash equivalents	11		21
Accounts receivable (less reserve:)
Customer	124		122
Other	6		9
Unbilled revenues	91		95
Fuel, materials and supplies	149		124
Prepayments	10		4
Income taxes receivable	60		0
Regulatory assets	4		10
Other current assets	4		6
Total Current Assets	459		391
Property, Plant and Equipment
Regulated utility plant	5,976		5,143
Less: accumulated depreciation - regulated utility plant	611		446
Regulated utility plant, net	5,365		4,697
Non-regulated property, plant and equipment
Other, net	1		1
Construction work in progress	880		1,139
Property, Plant and Equipment, net	6,246		5,837
Other Noncurrent Assets
Regulatory assets	268		171
Goodwill	607		607
Other intangibles	77		101
Other noncurrent assets	58		56
Total Other Noncurrent Assets	1,010		935
Total Assets	7,715		7,163
Current Liabilities
Short-term debt	236		150
Long-term debt due within one year	250		0
Accounts payable	141		159
Accounts payable to affiliates	47		25
Taxes	14		33
Interest	11		11
Price risk management liabilities from affiliates	33		0
Regulatory liabilities	5		5
Customer deposits	27		26
Other current liabilities	41		36
Total Current Liabilities	805		445
Long-term Debt	1,841		2,091
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	884		658
Investment tax credits	95		97
Accrued pension obligations	59		11
Asset retirement obligations	208		177
Regulatory liabilities	516		551
Other deferred credits and noncurrent liabilities	101		89
Total Deferred Credits and Other Noncurrent Liabilities	1,863		1,583
Commitments and Contingent Liabilities
Equity
Common stock	308	[5]	308	[5]
Additional paid-in capital	2,596		2,505
Earnings reinvested	302		230
Accumulated other comprehensive income (loss)	0		1
Total Stockholders' Equity	3,206		3,044
Total Liabilities and Equity	$ 7,715		$ 7,163

[1] There were no accumulated impairment losses related to goodwill.

[2] 780,000 shares authorized; 665,849 and 630,321 shares issued and outstanding at December 31, 2014 and 2013.

[3] 170,000 shares authorized; 66,368 shares issued and outstanding at December 31, 2014 and 2013.

[4] 75,000 shares authorized; 21,294 shares issued and outstanding at December 31, 2014 and December 31, 2013.

[5] 80,000 shares authorized; 37,818 shares issued and outstanding at December 31, 2014 and December 31, 2013.