CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 1,269		$ 1,102
Restricted cash and cash equivalents	332		83
Accounts receivable (less reserve:)
Customer	981		923
Other	115		97
Unbilled revenues	680		835
Fuel, materials and supplies	651		702
Prepayments	160		153
Deferred income taxes	317		246
Price risk management assets	954		942
Regulatory assets	29		33
Other current assets	49		37
Total Current Assets	5,537		5,153
Investments
Nuclear plant decommissioning trust funds	911		864
Other investments	39		43
Total Investments	950		907
Property, Plant and Equipment
Regulated utility plant	29,473		27,755
Less: accumulated depreciation - regulated utility plant	5,291		4,873
Regulated utility plant, net	24,182		22,882
Non-regulated property, plant and equipment
Generation	11,858		11,881
Nuclear fuel	624		591
Other	864		834
Less: accumulated depreciation - non-regulated property, plant and equipment	6,294		6,172
Non-regulated property, plant and equipment, net	7,052		7,134
Construction work in progress	3,197		3,071
Property, Plant and Equipment, net	34,431		33,087
Assets, Noncurrent [Abstract]
Regulatory assets	1,242		1,246
Goodwill	4,301		4,225
Other intangibles	952		947
Price risk management assets	423		337
Other noncurrent assets	357		357
Total Other Noncurrent Assets	7,275		7,112
Total Assets	48,193		46,259
Current Liabilities
Short-term debt	808		701
Long-term debt due within one year	304		315
Accounts payable	1,178		1,308
Taxes	124		114
Interest	223		325
Dividends	248		232
Price risk management liabilities	1,259		829
Regulatory liabilities	82		90
Other current liabilities	930		998
Total Current Liabilities	5,156		4,912
Long-term Debt	20,819		20,592
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	4,261		3,928
Investment tax credits	278		342
Price risk management liabilities	498		415
Accrued pension obligations	1,080		1,286
Asset retirement obligations	712		687
Regulatory liabilities	1,026		1,048
Other deferred credits and noncurrent liabilities	628		583
Total Deferred Credits and Other Noncurrent Liabilities	8,483		8,289
Commitments and Contingent Liabilities
Equity
Common stock	7	[1]	6	[1]
Additional paid-in capital	9,358		8,316
Earnings reinvested	5,768		5,709
Accumulated other comprehensive income (loss)	(1,398)		(1,565)
Total Stockholders' Equity	13,735		12,466
Total Liabilities and Equity	48,193		46,259
PPL Energy Supply LLC [Member]
Current Assets
Cash and cash equivalents	264		239
Restricted cash and cash equivalents	326		68
Accounts receivable (less reserve:)
Customer	206		233
Other	102		97
Unbilled revenues	219		286
Accounts receivable from affiliates	42		45
Fuel, materials and supplies	349		358
Prepayments	36		20
Deferred income taxes	105
Price risk management assets	954		860
Other current assets	31		27
Total Current Assets	2,634		2,233
Investments
Nuclear plant decommissioning trust funds	911		864
Other investments	34		37
Total Investments	945		901
Non-regulated property, plant and equipment
Generation	11,866		11,891
Nuclear fuel	624		591
Other	291		288
Less: accumulated depreciation - non-regulated property, plant and equipment	6,139		6,046
Non-regulated property, plant and equipment, net	6,642		6,724
Construction work in progress	386		450
Property, Plant and Equipment, net	7,028		7,174
Assets, Noncurrent [Abstract]
Goodwill	86		86
Other intangibles	267		266
Price risk management assets	420		328
Other noncurrent assets	79		86
Total Other Noncurrent Assets	852		766
Total Assets	11,459		11,074
Current Liabilities
Short-term debt	324
Long-term debt due within one year	304		304
Accounts payable	309		393
Accounts payable to affiliates	2		4
Taxes	30		31
Interest	22		22
Price risk management liabilities	1,133		750
Other current liabilities	229		278
Total Current Liabilities	2,353		1,782
Long-term Debt	2,219		2,221
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,183		1,114
Investment tax credits	144		205
Price risk management liabilities	347		320
Accrued pension obligations	104		111
Asset retirement obligations	406		393
Other deferred credits and noncurrent liabilities	134		130
Total Deferred Credits and Other Noncurrent Liabilities	2,318		2,273
Commitments and Contingent Liabilities
Equity
Accumulated other comprehensive income (loss)	85		77
Member's Equity	4,569		4,798
Total Liabilities and Equity	11,459		11,074
PPL Electric Utilities Corp [Member]
Current Assets
Cash and cash equivalents	149		25
Accounts receivable (less reserve:)
Customer	361		284
Other	8		5
Unbilled revenues	82		116
Accounts receivable from affiliates	4		4
Notes receivable from affiliates			150
Fuel, materials and supplies	35		35
Prepayments	51		40
Deferred income taxes	84		85
Regulatory assets	2		6
Other current assets	13		22
Total Current Assets	787		766
Property, Plant and Equipment
Regulated utility plant	7,168		6,886
Less: accumulated depreciation - regulated utility plant	2,488		2,417
Regulated utility plant, net	4,680		4,469
Non-regulated property, plant and equipment
Other, net	2		2
Construction work in progress	744		591
Property, Plant and Equipment, net	5,426		5,062
Assets, Noncurrent [Abstract]
Regulatory assets	771		772
Other intangibles	233		211
Other noncurrent assets	35		35
Total Other Noncurrent Assets	1,039		1,018
Total Assets	7,252		6,846
Current Liabilities
Short-term debt			20
Long-term debt due within one year			10
Accounts payable	292		295
Accounts payable to affiliates	50		57
Taxes	15		51
Interest	34		34
Regulatory liabilities	72		76
Other current liabilities	75		82
Total Current Liabilities	538		625
Long-term Debt	2,602		2,305
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,463		1,399
Accrued pension obligations	85		96
Regulatory liabilities	12		15
Other deferred credits and noncurrent liabilities	58		57
Total Deferred Credits and Other Noncurrent Liabilities	1,618		1,567
Commitments and Contingent Liabilities
Equity
Common stock	364	[2]	364	[2]
Additional paid-in capital	1,435		1,340
Earnings reinvested	695		645
Total Stockholders' Equity	2,494		2,349
Total Liabilities and Equity	7,252		6,846
LG And E And KU Energy LLC [Member]
Current Assets
Cash and cash equivalents	23		35
Accounts receivable (less reserve:)
Customer	238		224
Other	23		20
Unbilled revenues	153		180
Notes receivable from affiliates	16		70
Fuel, materials and supplies	235		278
Prepayments	27		21
Deferred income taxes	108		159
Regulatory assets	27		27
Other current assets	4		3
Total Current Assets	854		1,017
Property, Plant and Equipment
Regulated utility plant	9,036		8,526
Less: accumulated depreciation - regulated utility plant	922		778
Regulated utility plant, net	8,114		7,748
Non-regulated property, plant and equipment
Other, net	3		3
Construction work in progress	1,809		1,793
Property, Plant and Equipment, net	9,926		9,544
Assets, Noncurrent [Abstract]
Regulatory assets	471		474
Goodwill	996		996
Other intangibles	197		221
Other noncurrent assets	101		98
Total Other Noncurrent Assets	1,765		1,789
Total Assets	12,545		12,350
Current Liabilities
Short-term debt	320		245
Accounts payable	335		346
Accounts payable to affiliates	1		3
Customer deposits	50		50
Taxes	29		39
Interest	23		23
Price risk management liabilities	4		4
Regulatory liabilities	10		14
Other current liabilities	121		111
Total Current Liabilities	893		835
Long-term Debt	4,566		4,565
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,065		965
Investment tax credits	133		135
Price risk management liabilities	38		32
Accrued pension obligations	114		152
Asset retirement obligations	255		245
Regulatory liabilities	1,014		1,033
Other deferred credits and noncurrent liabilities	242		238
Total Deferred Credits and Other Noncurrent Liabilities	2,861		2,800
Commitments and Contingent Liabilities
Equity
Member's Equity	4,225		4,150
Total Liabilities and Equity	12,545		12,350
Louisville Gas And Electric Co [Member]
Current Assets
Cash and cash equivalents	5		8
Accounts receivable (less reserve:)
Customer	102		102
Other	14		9
Unbilled revenues	66		85
Accounts receivable from affiliates	17
Fuel, materials and supplies	110		154
Prepayments	9		7
Regulatory assets	24		17
Other current assets	3		3
Total Current Assets	350		385
Property, Plant and Equipment
Regulated utility plant	3,564		3,383
Less: accumulated depreciation - regulated utility plant	397		332
Regulated utility plant, net	3,167		3,051
Non-regulated property, plant and equipment
Construction work in progress	750		651
Property, Plant and Equipment, net	3,917		3,702
Assets, Noncurrent [Abstract]
Regulatory assets	306		303
Goodwill	389		389
Other intangibles	108		120
Other noncurrent assets	35		35
Total Other Noncurrent Assets	838		847
Total Assets	5,105		4,934
Current Liabilities
Short-term debt	70		20
Accounts payable	200		166
Accounts payable to affiliates	20		24
Customer deposits	24		24
Taxes	13		11
Interest	6		6
Price risk management liabilities	4		4
Regulatory liabilities	9		9
Other current liabilities	30		32
Total Current Liabilities	376		296
Long-term Debt	1,353		1,353
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	603		582
Investment tax credits	37		38
Price risk management liabilities	38		32
Accrued pension obligations	10		19
Asset retirement obligations	70		68
Regulatory liabilities	472		482
Other deferred credits and noncurrent liabilities	106		104
Total Deferred Credits and Other Noncurrent Liabilities	1,336		1,325
Commitments and Contingent Liabilities
Equity
Common stock	424	[3]	424	[3]
Additional paid-in capital	1,417		1,364
Earnings reinvested	199		172
Total Stockholders' Equity	2,040		1,960
Total Liabilities and Equity	5,105		4,934
Kentucky Utilities Co [Member]
Current Assets
Cash and cash equivalents	18		21
Accounts receivable (less reserve:)
Customer	136		122
Other	34		9
Unbilled revenues	87		95
Fuel, materials and supplies	125		124
Prepayments	8		4
Regulatory assets	3		10
Other current assets	5		6
Total Current Assets	416		391
Property, Plant and Equipment
Regulated utility plant	5,472		5,143
Less: accumulated depreciation - regulated utility plant	525		446
Regulated utility plant, net	4,947		4,697
Non-regulated property, plant and equipment
Other, net	1		1
Construction work in progress	1,055		1,139
Property, Plant and Equipment, net	6,003		5,837
Assets, Noncurrent [Abstract]
Regulatory assets	165		171
Goodwill	607		607
Other intangibles	89		101
Other noncurrent assets	59		56
Total Other Noncurrent Assets	920		935
Total Assets	7,339		7,163
Current Liabilities
Short-term debt	175		150
Accounts payable	125		159
Accounts payable to affiliates	38		25
Customer deposits	26		26
Taxes	14		33
Interest	11		11
Regulatory liabilities	1		5
Other current liabilities	58		36
Total Current Liabilities	448		445
Long-term Debt	2,091		2,091
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	747		658
Investment tax credits	96		97
Accrued pension obligations	2		11
Asset retirement obligations	185		177
Regulatory liabilities	542		551
Other deferred credits and noncurrent liabilities	88		89
Total Deferred Credits and Other Noncurrent Liabilities	1,660		1,583
Commitments and Contingent Liabilities
Equity
Common stock	308	[4]	308	[4]
Additional paid-in capital	2,571		2,505
Earnings reinvested	261		230
Accumulated other comprehensive income (loss)			1
Total Stockholders' Equity	3,140		3,044
Total Liabilities and Equity	$ 7,339		$ 7,163

[1] 780,000 shares authorized; 664,018 and 630,321 shares issued and outstanding at June 30, 2014 and December 31, 2013.

[2] 170,000 shares authorized; 66,368 shares issued and outstanding at June 30, 2014 and December 31, 2013.

[3] 75,000 shares authorized; 21,294 shares issued and outstanding at June 30, 2014 and December 31, 2013.

[4] 80,000 shares authorized; 37,818 shares issued and outstanding at June 30, 2014 and December 31, 2013.