CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Assets, Current [Abstract]
Cash and cash equivalents		$ 336	$ 3,571
Accounts receivable (less reserve:)
Customer		772	583
Other		95	58
Unbilled revenues		344	307
Fuel, materials and supplies		332	322
Prepayments		130	60
Regulatory Assets, Current		198	64
Other current assets		94	42
Total Current Assets		2,301	5,007
Property, Plant and Equipment
Regulated utility plant		36,017	30,477
Less:  accumulated depreciation - regulated utility plant		7,981	6,488
Regulated utility plant, net		28,036	23,989
Non-regulated property, plant and equipment		317	266
Less:  accumulated depreciation - non-regulated property, plant and equipment		60	41
Non-regulated property, plant and equipment, net		257	225
Construction work in progress		1,617	1,256
Property, Plant and Equipment, net		29,910	25,470
Other Noncurrent Assets
Regulatory assets		1,681	1,236
Goodwill		2,297	716
Other intangibles		337	343
Other noncurrent assets		536	451
Assets, Noncurrent		4,851	2,746
Total Assets		37,062	33,223
Current Liabilities
Short-term debt		988	69
Long-term debt due within one year		501	474
Accounts payable		985	679
Taxes		99	96
Interest		97	81
Dividends		166	305
Regulatory liabilities		241	182
Other current liabilities		649	437
Liabilities, Current, Total		3,726	2,323
Long-term Debt, Unclassified [Abstract]
Long-term Debt		12,153	10,666
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		3,226	3,151
Investment tax credits		126	119
Accrued pension obligations		183	183
Asset retirement obligations		153	157
Regulatory liabilities		3,056	2,422
Other deferred credits and noncurrent liabilities		566	479
Total Deferred Credits and Other Noncurrent Liabilities		7,310	6,511
Commitments and Contingent Liabilities
Equity
Common stock	[1]	8	8
Additional paid-in capital		12,313	12,303
Treasury Stock		(976)	(1,003)
Earnings reinvested		2,649	2,572
Accumulated other comprehensive loss		(124)	(157)
Total Shareowners' Common Equity		13,870	13,723
Noncontrolling interests		3	0
Total Equity		13,873	13,723
Total Liabilities and Equity		37,062	33,223
PPL Electric Utilities Corp [Member]
Assets, Current [Abstract]
Cash and cash equivalents		29	21
Accounts receivable (less reserve:)
Customer		337	305
Other		21	22
Accounts receivable from affiliates		7	11
Notes receivable from affiliate		166	499
Notes receivable from affiliate		166	499
Unbilled revenues		125	129
Fuel, materials and supplies		66	61
Prepayments		65	13
Regulatory Assets, Current		11	22
Other current assets		21	21
Total Current Assets		848	1,104
Property, Plant and Equipment
Regulated utility plant		14,407	14,082
Less:  accumulated depreciation - regulated utility plant		3,440	3,386
Regulated utility plant, net		10,967	10,696
Construction work in progress		598	581
Property, Plant and Equipment, net		11,565	11,277
Other Noncurrent Assets
Regulatory assets		470	488
Other intangibles		269	270
Pension benefit asset		76	50
Other noncurrent assets		133	113
Assets, Noncurrent		948	921
Total Assets		13,361	13,302
Current Liabilities
Long-term debt due within one year		474	474
Accounts payable		419	367
Accounts payable to affiliates		32	56
Taxes		8	31
Interest		35	35
Regulatory liabilities		69	153
Counterparty collateral		62	0
Other current liabilities		95	108
Liabilities, Current, Total		1,194	1,224
Long-term Debt, Unclassified [Abstract]
Long-term Debt		4,012	4,010
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,748	1,668
Regulatory liabilities		549	559
Other deferred credits and noncurrent liabilities		85	105
Total Deferred Credits and Other Noncurrent Liabilities		2,382	2,332
Commitments and Contingent Liabilities
Equity
Common stock	[2]	364	364
Additional paid-in capital		4,189	4,254
Earnings reinvested		1,220	1,118
Total Equity		5,773	5,736
Total Liabilities and Equity		13,361	13,302
Louisville Gas And Electric Co [Member]
Assets, Current [Abstract]
Cash and cash equivalents		18	9
Accounts receivable (less reserve:)
Customer		114	130
Other		18	25
Accounts receivable from affiliates		30	31
Unbilled revenues		72	80
Fuel, materials and supplies		102	137
Prepayments		16	14
Regulatory Assets, Current		52	33
Other current assets		0	2
Total Current Assets		422	461
Property, Plant and Equipment
Regulated utility plant		7,290	7,192
Less:  accumulated depreciation - regulated utility plant		1,262	1,172
Regulated utility plant, net		6,028	6,020
Construction work in progress		254	242
Property, Plant and Equipment, net		6,282	6,262
Other Noncurrent Assets
Regulatory assets		355	337
Goodwill		389	389
Other intangibles		27	30
Other noncurrent assets		88	113
Assets, Noncurrent		859	869
Total Assets		7,563	7,592
Current Liabilities
Short-term debt		394	69
Notes Payable, Related Parties, Current		0	324
Accounts payable		147	163
Accounts payable to affiliates		20	31
Taxes		27	34
Price risk management liabilities current		1	1
Interest		15	15
Current Customer Deposits		32	32
Regulatory liabilities		3	21
Asset Retirement Obligation, Current		9	10
Other current liabilities		41	37
Liabilities, Current, Total		689	737
Long-term Debt, Unclassified [Abstract]
Long-term Debt		2,007	2,006
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		762	751
Investment tax credits		32	32
Asset retirement obligations		70	74
Regulatory liabilities		820	818
Price risk management liabilities		9	17
Other deferred credits and noncurrent liabilities		74	78
Total Deferred Credits and Other Noncurrent Liabilities		1,767	1,770
Commitments and Contingent Liabilities
Equity
Common stock	[3]	424	424
Additional paid-in capital		2,007	1,997
Earnings reinvested		669	658
Total Equity		3,100	3,079
Total Liabilities and Equity		7,563	7,592
Kentucky Utilities Co [Member]
Assets, Current [Abstract]
Cash and cash equivalents		17	13
Accounts receivable (less reserve:)
Customer		142	144
Other		11	12
Unbilled revenues		95	91
Fuel, materials and supplies		130	124
Prepayments		16	15
Regulatory Assets, Current		33	9
Other current assets		0	2
Total Current Assets		444	410
Property, Plant and Equipment
Regulated utility plant		9,360	9,219
Less:  accumulated depreciation - regulated utility plant		2,065	1,929
Regulated utility plant, net		7,295	7,290
Construction work in progress		436	378
Property, Plant and Equipment, net		7,731	7,668
Other Noncurrent Assets
Regulatory assets		430	411
Goodwill		607	607
Other intangibles		22	23
Other noncurrent assets		130	153
Assets, Noncurrent		1,189	1,194
Total Assets		9,364	9,272
Current Liabilities
Short-term debt		338	0
Long-term debt due within one year		13	0
Notes Payable, Related Parties, Current		0	294
Accounts payable		104	108
Accounts payable to affiliates		52	64
Taxes		24	19
Interest		18	18
Current Customer Deposits		33	32
Regulatory liabilities		5	8
Asset Retirement Obligation, Current		19	22
Other current liabilities		47	47
Liabilities, Current, Total		653	612
Long-term Debt, Unclassified [Abstract]
Long-term Debt		2,606	2,618
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		876	865
Investment tax credits		86	87
Asset retirement obligations		73	83
Regulatory liabilities		1,037	1,045
Other deferred credits and noncurrent liabilities		31	34
Total Deferred Credits and Other Noncurrent Liabilities		2,103	2,114
Commitments and Contingent Liabilities
Equity
Common stock	[4]	308	308
Additional paid-in capital		3,017	2,957
Earnings reinvested		677	663
Total Equity		4,002	3,928
Total Liabilities and Equity		$ 9,364	$ 9,272

[1] 1,560,000 shares authorized, 770,013 shares issued and 736,157 shares outstanding at June 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 June 30, 2022 and December 31, 2021.

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

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