CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Current Assets
Cash and cash equivalents		$ 356	$ 3,571
Accounts receivable (less reserve:)
Customer		896	583
Other		150	58
Unbilled revenues		552	307
Fuel, materials and supplies		443	322
Prepayments		92	60
Regulatory assets		258	64
Other current assets		77	42
Total Current Assets		2,824	5,007
Property, Plant and Equipment
Regulated utility plant		36,961	30,477
Less: accumulated depreciation - regulated utility plant		8,352	6,488
Regulated utility plant, net		28,609	23,989
Non-regulated property, plant and equipment		92	266
Less: accumulated depreciation - non-regulated property, plant and equipment		46	41
Non-regulated property, plant and equipment, net		46	225
Construction work in progress		1,583	1,256
Property, Plant and Equipment, net		30,238	25,470
Other Noncurrent Assets
Regulatory assets		1,819	1,236
Goodwill		2,248	716
Other intangibles		313	343
Other noncurrent assets		395	451
Total Other Noncurrent Assets		4,775	2,746
Total Assets		37,837	33,223
Current Liabilities
Short-term debt		985	69
Long-term debt due within one year		354	474
Accounts payable		1,201	679
Taxes		124	96
Interest		97	81
Dividends		166	305
Regulatory liabilities		238	182
Other current liabilities		624	437
Total Current Liabilities		3,789	2,323
Long-term Debt [Abstract]
Long-term Debt		12,889	10,666
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		3,007	3,151
Investment tax credits		117	119
Accrued pension obligations		206	183
Asset retirement obligations		138	157
Regulatory liabilities		3,412	2,422
Other deferred credits and noncurrent liabilities		361	479
Total Deferred Credits and Other Noncurrent Liabilities		7,241	6,511
Commitments and Contingent Liabilities
Equity
Common stock	[1]	8	8
Additional paid-in capital		12,317	12,303
Earnings reinvested		2,681	2,572
Accumulated other comprehensive loss		(124)	(157)
Total Shareowners' Common Equity		13,915	13,723
Noncontrolling interests		3	0
Total Equity		13,918	13,723
Total Liabilities and Equity		$ 37,837	$ 33,223
Common stock par value		$ 0.01	$ 0.01
Treasury Stock		$ (967)	$ (1,003)
PPL Electric Utilities Corp [Member]
Current Assets
Cash and cash equivalents		25	21
Accounts receivable (less reserve:)
Customer		357	305
Other		12	22
Accounts receivable from affiliates		3	11
Notes Receivable, Related Parties, Current		0	499
Unbilled revenues		224	129
Fuel, materials and supplies		69	61
Prepayments		34	13
Regulatory assets		13	22
Other current assets		22	21
Total Current Assets		759	1,104
Property, Plant and Equipment
Regulated utility plant		14,794	14,082
Less: accumulated depreciation - regulated utility plant		3,544	3,386
Regulated utility plant, net		11,250	10,696
Construction work in progress		593	581
Property, Plant and Equipment, net		11,843	11,277
Other Noncurrent Assets
Regulatory assets		568	488
Other intangibles		269	270
Assets for Plan Benefits, Defined Benefit Plan		0	50
Other noncurrent assets		126	113
Total Other Noncurrent Assets		963	921
Total Assets		13,565	13,302
Current Liabilities
Short-term debt		145	0
Long-term debt due within one year		340	474
Accounts payable		480	367
Accounts payable to affiliates		16	56
Taxes		36	31
Interest		35	35
Regulatory liabilities		85	153
Other current liabilities		86	108
Total Current Liabilities		1,223	1,224
Long-term Debt [Abstract]
Long-term Debt		4,146	4,010
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,514	1,668
Regulatory liabilities		820	559
Other deferred credits and noncurrent liabilities		111	105
Total Deferred Credits and Other Noncurrent Liabilities		2,445	2,332
Commitments and Contingent Liabilities
Equity
Common stock	[2]	364	364
Additional paid-in capital		4,084	4,254
Earnings reinvested		1,303	1,118
Total Shareowners' Common Equity		5,751	5,736
Total Liabilities and Equity		$ 13,565	$ 13,302
Common stock no par value		$ 0	$ 0
Louisville Gas And Electric Co [Member]
Current Assets
Cash and cash equivalents		$ 93	$ 9
Accounts receivable (less reserve:)
Customer		157	130
Other		13	25
Accounts receivable from affiliates		37	31
Unbilled revenues		112	80
Fuel, materials and supplies		166	137
Prepayments		13	14
Regulatory assets		23	33
Other current assets		2	2
Total Current Assets		616	461
Property, Plant and Equipment
Regulated utility plant		7,429	7,192
Less: accumulated depreciation - regulated utility plant		1,355	1,172
Regulated utility plant, net		6,074	6,020
Construction work in progress		268	242
Property, Plant and Equipment, net		6,342	6,262
Other Noncurrent Assets
Regulatory assets		373	337
Goodwill		389	389
Other intangibles		24	30
Other noncurrent assets		66	113
Total Other Noncurrent Assets		852	869
Total Assets		7,810	7,592
Current Liabilities
Short-term debt		179	69
Long-term debt due within one year		0	0
Notes payable with affiliates		0	324
Accounts payable		165	163
Accounts payable to affiliates		60	31
Taxes		41	34
Interest		15	15
Asset Retirement Obligations		13	10
Price risk management liabilities		1	1
Customer deposits		32	32
Regulatory liabilities		7	21
Other current liabilities		46	37
Total Current Liabilities		559	737
Long-term Debt [Abstract]
Long-term Debt		2,307	2,006
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		771	751
Investment tax credits		31	32
Price risk management liabilities		6	17
Asset retirement obligations		73	74
Regulatory liabilities		833	818
Other deferred credits and noncurrent liabilities		64	78
Total Deferred Credits and Other Noncurrent Liabilities		1,778	1,770
Commitments and Contingent Liabilities
Equity
Common stock	[3]	424	424
Additional paid-in capital		2,087	1,997
Earnings reinvested		655	658
Total Shareowners' Common Equity		3,166	3,079
Total Liabilities and Equity		$ 7,810	$ 7,592
Common stock no par value		$ 0	$ 0
Kentucky Utilities Co [Member]
Current Assets
Cash and cash equivalents		$ 21	$ 13
Accounts receivable (less reserve:)
Customer		158	144
Other		13	12
Unbilled revenues		114	91
Fuel, materials and supplies		167	124
Prepayments		14	15
Regulatory assets		32	9
Other current assets		1	2
Total Current Assets		520	410
Property, Plant and Equipment
Regulated utility plant		9,515	9,219
Less: accumulated depreciation - regulated utility plant		2,201	1,929
Regulated utility plant, net		7,314	7,290
Construction work in progress		522	378
Property, Plant and Equipment, net		7,836	7,668
Other Noncurrent Assets
Regulatory assets		442	411
Goodwill		607	607
Other intangibles		21	23
Other noncurrent assets		116	153
Total Other Noncurrent Assets		1,186	1,194
Total Assets		9,542	9,272
Current Liabilities
Short-term debt		101	0
Long-term debt due within one year		13	0
Notes payable with affiliates		0	294
Accounts payable		123	108
Accounts payable to affiliates		101	64
Taxes		26	19
Interest		19	18
Asset Retirement Obligations		26	22
Customer deposits		33	32
Regulatory liabilities		6	8
Other current liabilities		51	47
Total Current Liabilities		499	612
Long-term Debt [Abstract]
Long-term Debt		2,907	2,618
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		896	865
Investment tax credits		85	87
Asset retirement obligations		56	83
Regulatory liabilities		1,029	1,045
Other deferred credits and noncurrent liabilities		32	34
Total Deferred Credits and Other Noncurrent Liabilities		2,098	2,114
Commitments and Contingent Liabilities
Equity
Common stock	[4]	308	308
Additional paid-in capital		3,041	2,957
Earnings reinvested		689	663
Total Shareowners' Common Equity		4,038	3,928
Total Liabilities and Equity		$ 9,542	$ 9,272
Common stock no par value		$ 0	$ 0

[1] 1,560,000 shares authorized; 770,013 shares issued and 736,487 shares outstanding at December 31, 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 December 31, 2022 and December 31, 2021

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

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