CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions		Mar. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents		$ 409	$ 341
Accounts receivable (less reserve:)
Customer		702	666
Other		58	46
Unbilled revenues		427	480
Fuel, materials and supplies		312	356
Prepayments		173	63
Price risk management assets		95	63
Regulatory assets		36	39
Other current assets		51	52
Total Current Assets		2,227	2,067
Property, Plant and Equipment
Regulated utility plant		35,229	34,674
Less: accumulated depreciation - regulated utility plant		6,197	6,013
Regulated utility plant, net		29,032	28,661
Non-regulated property, plant and equipment		413	413
Less: accumulated depreciation - non-regulated property, plant and equipment		137	134
Non-regulated property, plant and equipment, net		276	279
Construction work in progress		1,099	1,134
Property, Plant and Equipment, net		30,407	30,074
Other Noncurrent Assets
Regulatory assets		1,908	1,918
Goodwill		3,050	3,060
Other intangibles		644	700
Pension benefit asset		363	9
Price risk management assets		284	336
Other noncurrent assets		151	151
Total Other Noncurrent Assets		6,400	6,174
Total Assets		39,034	38,315
Current Liabilities
Short-term debt		1,666	923
Long-term debt due within one year		417	518
Accounts payable		700	820
Taxes		80	101
Interest		299	270
Dividends		270	259
Customer deposits		277	276
Regulatory liabilities		82	101
Other current liabilities		465	569
Total Current Liabilities		4,256	3,837
Long-term Debt
Long-term Debt		17,958	17,808
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		4,055	3,889
Investment tax credits		132	132
Accrued pension obligations		776	1,001
Asset retirement obligations		429	428
Regulatory liabilities		897	899
Other deferred credits and noncurrent liabilities		422	422
Total Deferred Credits and Other Noncurrent Liabilities		6,711	6,771
Commitments and Contingent Liabilities
Equity
Common stock	[1]	7	7
Additional paid-in capital		9,917	9,841
Earnings reinvested		3,962	3,829
Accumulated other comprehensive loss		(3,777)	(3,778)
Total Equity		10,109	9,899
Total Liabilities and Equity		39,034	38,315
PPL Electric Utilities Corp [Member]
Assets
Cash and cash equivalents		20	13
Accounts receivable (less reserve:)
Customer		304	272
Other		16	21
Unbilled revenues		102	114
Fuel, materials and supplies		31	32
Prepayments		84	9
Regulatory assets		13	19
Other current assets		6	8
Total Current Assets		576	488
Property, Plant and Equipment
Regulated utility plant		9,987	9,654
Less: accumulated depreciation - regulated utility plant		2,767	2,714
Regulated utility plant, net		7,220	6,940
Construction work in progress		557	641
Property, Plant and Equipment, net		7,777	7,581
Other Noncurrent Assets
Regulatory assets		1,080	1,094
Other intangibles		252	251
Other noncurrent assets		14	12
Total Other Noncurrent Assets		1,346	1,357
Total Assets		9,699	9,426
Current Liabilities
Short-term debt		499	295
Long-term debt due within one year		224	224
Accounts payable		329	367
Accounts payable to affiliates		58	42
Taxes		12	12
Interest		31	34
Regulatory liabilities		66	83
Other current liabilities		88	101
Total Current Liabilities		1,307	1,158
Long-term Debt
Long-term Debt		2,608	2,607
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,942	1,899
Accrued pension obligations		258	281
Regulatory liabilities		0	0
Other deferred credits and noncurrent liabilities		90	90
Total Deferred Credits and Other Noncurrent Liabilities		2,290	2,270
Commitments and Contingent Liabilities
Equity
Common stock	[2]	364	364
Additional paid-in capital		2,254	2,154
Earnings reinvested		876	873
Total Equity		3,494	3,391
Total Liabilities and Equity		9,699	9,426
LG And E And KU Energy LLC [Member]
Assets
Cash and cash equivalents		15	13
Accounts receivable (less reserve:)
Customer		215	235
Other		24	17
Unbilled revenues		148	170
Fuel, materials and supplies		256	297
Prepayments		25	24
Regulatory assets		23	20
Other current assets		7	4
Total Current Assets		713	780
Property, Plant and Equipment
Regulated utility plant		12,810	12,746
Less: accumulated depreciation - regulated utility plant		1,550	1,465
Regulated utility plant, net		11,260	11,281
Construction work in progress		376	317
Property, Plant and Equipment, net		11,636	11,598
Other Noncurrent Assets
Regulatory assets		828	824
Goodwill		996	996
Other intangibles		93	95
Other noncurrent assets		78	78
Total Other Noncurrent Assets		1,995	1,993
Total Assets		14,344	14,371
Current Liabilities
Short-term debt		243	185
Long-term debt due within one year		94	194
Notes payable with affiliate		82	163
Accounts payable		204	251
Accounts payable to affiliates		13	6
Taxes		37	39
Price risk management liabilities		4	4
Interest		74	32
Customer deposits		56	56
Regulatory liabilities		16	18
Asset retirement obligations		58	60
Other current liabilities		88	119
Total Current Liabilities		969	1,127
Long-term Debt
Long-term debt		4,572	4,471
Long-term debt to affiliate		400	400
Long-term Debt		4,972	4,871
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,786	1,735
Investment tax credits		131	132
Accrued pension obligations		332	350
Asset retirement obligations		374	373
Regulatory liabilities		897	899
Price risk management liabilities		25	27
Other deferred credits and noncurrent liabilities		188	190
Total Deferred Credits and Other Noncurrent Liabilities		3,733	3,706
Commitments and Contingent Liabilities
Equity
Member's Equity		4,670	4,667
Total Liabilities and Equity		14,344	14,371
Louisville Gas And Electric Co [Member]
Assets
Cash and cash equivalents		4	5
Accounts receivable (less reserve:)
Customer		97	109
Other		10	11
Accounts receivable from affiliates		27	28
Unbilled revenues		66	75
Fuel, materials and supplies		110	143
Prepayments		12	12
Regulatory assets		12	9
Other current assets		2	1
Total Current Assets		340	393
Property, Plant and Equipment
Regulated utility plant		5,396	5,357
Less: accumulated depreciation - regulated utility plant		534	498
Regulated utility plant, net		4,862	4,859
Construction work in progress		156	133
Property, Plant and Equipment, net		5,018	4,992
Other Noncurrent Assets
Regulatory assets		448	450
Goodwill		389	389
Other intangibles		57	59
Other noncurrent assets		16	17
Total Other Noncurrent Assets		910	915
Total Assets		6,268	6,300
Current Liabilities
Short-term debt		207	169
Long-term debt due within one year		94	194
Accounts payable		115	148
Accounts payable to affiliates		22	26
Taxes		12	40
Price risk management liabilities		4	4
Interest		24	11
Customer deposits		27	27
Regulatory liabilities		5	5
Asset retirement obligations		29	41
Other current liabilities		27	36
Total Current Liabilities		566	701
Long-term Debt
Long-term Debt		1,524	1,423
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,006	974
Investment tax credits		36	36
Accrued pension obligations		50	53
Asset retirement obligations		114	104
Regulatory liabilities		419	419
Price risk management liabilities		25	27
Other deferred credits and noncurrent liabilities		85	87
Total Deferred Credits and Other Noncurrent Liabilities		1,735	1,700
Commitments and Contingent Liabilities
Equity
Common stock	[3]	424	424
Additional paid-in capital		1,682	1,682
Earnings reinvested		337	370
Total Equity		2,443	2,476
Total Liabilities and Equity		6,268	6,300
Kentucky Utilities Co [Member]
Assets
Cash and cash equivalents		7	7
Accounts receivable (less reserve:)
Customer		118	126
Other		13	5
Unbilled revenues		82	95
Fuel, materials and supplies		146	154
Prepayments		12	12
Regulatory assets		11	11
Other current assets		5	3
Total Current Assets		394	413
Property, Plant and Equipment
Regulated utility plant		7,405	7,382
Less: accumulated depreciation - regulated utility plant		1,014	965
Regulated utility plant, net		6,391	6,417
Construction work in progress		219	181
Property, Plant and Equipment, net		6,610	6,598
Other Noncurrent Assets
Regulatory assets		380	374
Goodwill		607	607
Other intangibles		36	36
Other noncurrent assets		59	57
Total Other Noncurrent Assets		1,082	1,074
Total Assets		8,086	8,085
Current Liabilities
Short-term debt		36	16
Accounts payable		76	78
Accounts payable to affiliates		50	56
Taxes		11	45
Interest		38	16
Customer deposits		29	29
Regulatory liabilities		11	13
Asset retirement obligations		29	19
Other current liabilities		27	36
Total Current Liabilities		307	308
Long-term Debt
Long-term Debt		2,327	2,327
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,208	1,170
Investment tax credits		95	96
Accrued pension obligations		44	62
Asset retirement obligations		260	269
Regulatory liabilities		478	480
Other deferred credits and noncurrent liabilities		50	50
Total Deferred Credits and Other Noncurrent Liabilities		2,135	2,127
Commitments and Contingent Liabilities
Equity
Common stock	[4]	308	308
Additional paid-in capital		2,616	2,616
Earnings reinvested		393	400
Accumulated other comprehensive loss		0	(1)
Total Equity		3,317	3,323
Total Liabilities and Equity		$ 8,086	$ 8,085

[1] 1,560,000 shares authorized; 682,427 and 679,731 shares issued and outstanding at March 31, 2017 and December 31, 2016.

[2] 170,000 shares authorized; 66,368 shares issued and outstanding at March 31, 2017 and December 31, 2016.

[3] 75,000 shares authorized; 21,294 shares issued and outstanding at March 31, 2017 and December 31, 2016.

[4] 80,000 shares authorized; 37,818 shares issued and outstanding at March 31, 2017 and December 31, 2016.