CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions		Sep. 30, 2022	Dec. 31, 2021
Assets, Current [Abstract]
Cash and cash equivalents		$ 303	$ 3,571
Accounts receivable (less reserve:)
Customer		816	583
Other		110	58
Unbilled revenues		313	307
Fuel, materials and supplies		422	322
Prepayments		91	60
Regulatory Assets, Current		234	64
Other current assets		106	42
Current assets held for sale		325	0
Total Current Assets		2,720	5,007
Property, Plant and Equipment
Regulated utility plant		36,408	30,477
Less:  accumulated depreciation - regulated utility plant		8,179	6,488
Regulated utility plant, net		28,229	23,989
Non-regulated property, plant and equipment		93	266
Less:  accumulated depreciation - non-regulated property, plant and equipment		45	41
Non-regulated property, plant and equipment, net		48	225
Construction work in progress		1,617	1,256
Property, Plant and Equipment, net		29,894	25,470
Other Noncurrent Assets
Regulatory assets		1,715	1,236
Goodwill		2,241	716
Other intangibles		315	343
Other noncurrent assets		493	451
Assets, Noncurrent		4,764	2,746
Total Assets		37,378	33,223
Current Liabilities
Short-term debt		510	69
Long-term debt due within one year		264	474
Accounts payable		968	679
Taxes		126	96
Interest		155	81
Dividends		166	305
Regulatory liabilities		329	182
Other current liabilities		592	437
Current liabilities held for sale		205	0
Liabilities, Current, Total		3,315	2,323
Long-term Debt, Unclassified [Abstract]
Long-term Debt		12,977	10,666
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		2,977	3,151
Investment tax credits		117	119
Accrued pension obligations		212	183
Asset retirement obligations		144	157
Regulatory liabilities		3,381	2,422
Other deferred credits and noncurrent liabilities		371	479
Total Deferred Credits and Other Noncurrent Liabilities		7,202	6,511
Commitments and Contingent Liabilities
Equity
Common stock	[1]	8	8
Additional paid-in capital		12,317	12,303
Treasury Stock		(972)	(1,003)
Earnings reinvested		2,658	2,572
Accumulated other comprehensive loss		(130)	(157)
Total Shareowners' Common Equity		13,881	13,723
Noncontrolling interests		3	0
Total Equity		13,884	13,723
Total Liabilities and Equity		37,378	33,223
PPL Electric Utilities Corp [Member]
Assets, Current [Abstract]
Cash and cash equivalents		22	21
Accounts receivable (less reserve:)
Customer		353	305
Other		21	22
Accounts receivable from affiliates		13	11
Notes receivable from affiliate		0	499
Notes receivable from affiliate		0	499
Unbilled revenues		119	129
Fuel, materials and supplies		78	61
Prepayments		33	13
Regulatory Assets, Current		13	22
Other current assets		25	21
Total Current Assets		677	1,104
Property, Plant and Equipment
Regulated utility plant		14,594	14,082
Less:  accumulated depreciation - regulated utility plant		3,508	3,386
Regulated utility plant, net		11,086	10,696
Construction work in progress		595	581
Property, Plant and Equipment, net		11,681	11,277
Other Noncurrent Assets
Regulatory assets		471	488
Other intangibles		268	270
Pension benefit asset		71	50
Other noncurrent assets		129	113
Assets, Noncurrent		939	921
Total Assets		13,297	13,302
Current Liabilities
Long-term debt due within one year		250	474
Accounts payable		404	367
Accounts payable to affiliates		25	56
Taxes		5	31
Interest		45	35
Regulatory liabilities		87	153
Other current liabilities		88	108
Liabilities, Current, Total		904	1,224
Long-term Debt, Unclassified [Abstract]
Long-term Debt		4,235	4,010
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,479	1,668
Regulatory liabilities		823	559
Other deferred credits and noncurrent liabilities		86	105
Total Deferred Credits and Other Noncurrent Liabilities		2,388	2,332
Commitments and Contingent Liabilities
Equity
Common stock	[2]	364	364
Additional paid-in capital		4,124	4,254
Earnings reinvested		1,282	1,118
Total Equity		5,770	5,736
Total Liabilities and Equity		13,297	13,302
Louisville Gas And Electric Co [Member]
Assets, Current [Abstract]
Cash and cash equivalents		25	9
Accounts receivable (less reserve:)
Customer		120	130
Other		18	25
Accounts receivable from affiliates		27	31
Unbilled revenues		69	80
Fuel, materials and supplies		159	137
Prepayments		15	14
Regulatory Assets, Current		49	33
Other current assets		0	2
Total Current Assets		482	461
Property, Plant and Equipment
Regulated utility plant		7,331	7,192
Less:  accumulated depreciation - regulated utility plant		1,307	1,172
Regulated utility plant, net		6,024	6,020
Construction work in progress		283	242
Property, Plant and Equipment, net		6,307	6,262
Other Noncurrent Assets
Regulatory assets		365	337
Goodwill		389	389
Other intangibles		25	30
Other noncurrent assets		74	113
Assets, Noncurrent		853	869
Total Assets		7,642	7,592
Current Liabilities
Short-term debt		110	69
Notes Payable, Related Parties, Current		14	324
Accounts payable		147	163
Accounts payable to affiliates		50	31
Taxes		38	34
Price risk management liabilities current		1	1
Interest		32	15
Current Customer Deposits		32	32
Regulatory liabilities		4	21
Asset Retirement Obligation, Current		11	10
Other current liabilities		37	37
Liabilities, Current, Total		476	737
Long-term Debt, Unclassified [Abstract]
Long-term Debt		2,307	2,006
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		771	751
Investment tax credits		31	32
Asset retirement obligations		75	74
Regulatory liabilities		814	818
Price risk management liabilities		6	17
Other deferred credits and noncurrent liabilities		73	78
Total Deferred Credits and Other Noncurrent Liabilities		1,770	1,770
Commitments and Contingent Liabilities
Equity
Common stock	[3]	424	424
Additional paid-in capital		2,007	1,997
Earnings reinvested		658	658
Total Equity		3,089	3,079
Total Liabilities and Equity		7,642	7,592
Kentucky Utilities Co [Member]
Assets, Current [Abstract]
Cash and cash equivalents		25	13
Accounts receivable (less reserve:)
Customer		155	144
Other		15	12
Unbilled revenues		87	91
Fuel, materials and supplies		142	124
Prepayments		16	15
Regulatory Assets, Current		33	9
Other current assets		0	2
Total Current Assets		473	410
Property, Plant and Equipment
Regulated utility plant		9,402	9,219
Less:  accumulated depreciation - regulated utility plant		2,128	1,929
Regulated utility plant, net		7,274	7,290
Construction work in progress		491	378
Property, Plant and Equipment, net		7,765	7,668
Other Noncurrent Assets
Regulatory assets		440	411
Goodwill		607	607
Other intangibles		21	23
Other noncurrent assets		118	153
Assets, Noncurrent		1,186	1,194
Total Assets		9,424	9,272
Current Liabilities
Long-term debt due within one year		13	0
Notes Payable, Related Parties, Current		22	294
Accounts payable		92	108
Accounts payable to affiliates		87	64
Taxes		34	19
Interest		44	18
Current Customer Deposits		33	32
Regulatory liabilities		6	8
Asset Retirement Obligation, Current		24	22
Other current liabilities		48	47
Liabilities, Current, Total		403	612
Long-term Debt, Unclassified [Abstract]
Long-term Debt		2,906	2,618
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		886	865
Investment tax credits		85	87
Asset retirement obligations		60	83
Regulatory liabilities		1,035	1,045
Other deferred credits and noncurrent liabilities		27	34
Total Deferred Credits and Other Noncurrent Liabilities		2,093	2,114
Commitments and Contingent Liabilities
Equity
Common stock	[4]	308	308
Additional paid-in capital		3,017	2,957
Earnings reinvested		697	663
Total Equity		4,022	3,928
Total Liabilities and Equity		$ 9,424	$ 9,272

[1] 1,560,000 shares authorized, 770,013 shares issued and 736,311 shares outstanding at September 30, 2022. 1,560,000 shares authorized, 769,890 shares issued and 735,112 shares outstanding at December 31, 2021.

[2] 170,000 shares authorized; 66,368 shares issued and outstanding at September 30, 2022 and December 31, 2021.

[3] 75,000 shares authorized; 21,294 shares issued and outstanding at September 30, 2022 and December 31, 2021.

[4] 80,000 shares authorized; 37,818 shares issued and outstanding at September 30, 2022 and December 31, 2021.