CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents		$ 331	$ 356
Accounts receivable (less reserve:)
Customer		950	896
Other		271	150
Unbilled revenues		428	552
Fuel, materials and supplies		505	443
Prepayments		103	92
Regulatory assets		293	258
Other current assets		51	77
Total Current Assets		2,932	2,824
Property, Plant and Equipment
Regulated utility plant		38,608	36,961
Less: accumulated depreciation - regulated utility plant		9,156	8,352
Regulated utility plant, net		29,452	28,609
Non-regulated property, plant and equipment		72	92
Less: accumulated depreciation - non-regulated property, plant and equipment		23	46
Non-regulated property, plant and equipment, net		49	46
Construction work in progress		1,917	1,583
Property, Plant and Equipment, net		31,418	30,238
Other Noncurrent Assets
Regulatory assets		1,874	1,819
Goodwill		2,247	2,248
Other intangibles		306	313
Other noncurrent assets		459	395
Total Other Noncurrent Assets		4,886	4,775
Total Assets		39,236	37,837
Current Liabilities
Short-term debt		992	985
Long-term debt due within one year		1	354
Accounts payable		1,104	1,201
Taxes		130	124
Interest		124	97
Dividends		173	166
Regulatory liabilities		225	238
Other current liabilities		591	624
Total Current Liabilities		3,340	3,789
Long-term Debt [Abstract]
Long-term Debt		14,611	12,889
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		3,105	3,007
Investment tax credits		114	117
Accrued pension obligations		275	206
Asset retirement obligations		133	138
Regulatory liabilities		3,340	3,412
Other deferred credits and noncurrent liabilities		385	361
Total Deferred Credits and Other Noncurrent Liabilities		7,352	7,241
Commitments and Contingent Liabilities
Equity
Common stock	[1]	8	8
Additional paid-in capital		12,326	12,317
Earnings reinvested		2,710	2,681
Accumulated other comprehensive loss		(163)	(124)
Total Shareowners' Common Equity		13,933	13,915
Noncontrolling interests		0	3
Total Equity		13,933	13,918
Total Liabilities and Equity		$ 39,236	$ 37,837
Common stock par value		$ 0.01	$ 0.01
Treasury Stock		$ (948)	$ (967)
PPL Electric Utilities Corp [Member]
Current Assets
Cash and cash equivalents		51	25
Accounts receivable (less reserve:)
Other		8	12
Unbilled revenues		149	224
Fuel, materials and supplies		99	69
Prepayments		44	34
Regulatory assets		57	13
Other current assets		17	22
Total Current Assets		869	759
Property, Plant and Equipment
Regulated utility plant		15,575	14,794
Less: accumulated depreciation - regulated utility plant		3,822	3,544
Regulated utility plant, net		11,753	11,250
Construction work in progress		680	593
Property, Plant and Equipment, net		12,433	11,843
Other Noncurrent Assets
Regulatory assets		598	568
Other intangibles		269	269
Other noncurrent assets		125	126
Total Other Noncurrent Assets		992	963
Total Assets		14,294	13,565
Current Liabilities
Short-term debt		509	145
Long-term debt due within one year		0	340
Taxes		51	36
Interest		43	35
Regulatory liabilities		91	85
Other current liabilities		100	86
Total Current Liabilities		1,292	1,223
Long-term Debt [Abstract]
Long-term Debt		4,567	4,146
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,573	1,514
Regulatory liabilities		836	820
Other deferred credits and noncurrent liabilities		123	111
Total Deferred Credits and Other Noncurrent Liabilities		2,532	2,445
Commitments and Contingent Liabilities
Equity
Common stock	[2]	364	364
Additional paid-in capital		4,040	4,084
Earnings reinvested		1,499	1,303
Total Shareowners' Common Equity		5,903	5,751
Total Liabilities and Equity		$ 14,294	$ 13,565
Common stock no par value		$ 0	$ 0
PPL Electric Utilities Corp [Member] | Related Party
Accounts receivable (less reserve:)
Customer		$ 10	$ 3
Current Liabilities
Accounts payable		44	16
PPL Electric Utilities Corp [Member] | Nonrelated Party
Accounts receivable (less reserve:)
Customer		434	357
Current Liabilities
Accounts payable		454	480
Louisville Gas And Electric Co [Member]
Current Assets
Cash and cash equivalents		18	93
Accounts receivable (less reserve:)
Other		17	13
Unbilled revenues		88	112
Fuel, materials and supplies		143	166
Prepayments		11	13
Regulatory assets		7	23
Other current assets		0	2
Total Current Assets		429	616
Property, Plant and Equipment
Regulated utility plant		7,669	7,429
Less: accumulated depreciation - regulated utility plant		1,549	1,355
Regulated utility plant, net		6,120	6,074
Construction work in progress		312	268
Property, Plant and Equipment, net		6,432	6,342
Other Noncurrent Assets
Regulatory assets		395	373
Goodwill		389	389
Other intangibles		18	24
Other noncurrent assets		90	66
Total Other Noncurrent Assets		892	852
Total Assets		7,753	7,810
Current Liabilities
Short-term debt		0	179
Long-term debt due within one year		0	0
Taxes		41	41
Interest		21	15
Asset Retirement Obligations		13	13
Price risk management liabilities		1	1
Customer deposits		34	32
Regulatory liabilities		16	7
Other current liabilities		47	46
Total Current Liabilities		337	559
Long-term Debt [Abstract]
Long-term Debt		2,469	2,307
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		776	771
Investment tax credits		31	31
Price risk management liabilities		6	6
Asset retirement obligations		72	73
Regulatory liabilities		827	833
Other deferred credits and noncurrent liabilities		63	64
Total Deferred Credits and Other Noncurrent Liabilities		1,775	1,778
Commitments and Contingent Liabilities
Equity
Common stock	[3]	424	424
Additional paid-in capital		1,993	2,087
Earnings reinvested		755	655
Total Shareowners' Common Equity		3,172	3,166
Total Liabilities and Equity		$ 7,753	$ 7,810
Common stock no par value		$ 0	$ 0
Louisville Gas And Electric Co [Member] | Related Party
Accounts receivable (less reserve:)
Customer		$ 29	$ 37
Current Liabilities
Accounts payable		49	60
Louisville Gas And Electric Co [Member] | Nonrelated Party
Accounts receivable (less reserve:)
Customer		116	157
Current Liabilities
Accounts payable		115	165
Kentucky Utilities Co [Member]
Current Assets
Cash and cash equivalents		14	21
Accounts receivable (less reserve:)
Customer		143	158
Other		12	13
Unbilled revenues		97	114
Fuel, materials and supplies		185	167
Prepayments		13	14
Regulatory assets		3	32
Other current assets		1	1
Total Current Assets		468	520
Property, Plant and Equipment
Regulated utility plant		9,896	9,515
Less: accumulated depreciation - regulated utility plant		2,476	2,201
Regulated utility plant, net		7,420	7,314
Construction work in progress		604	522
Property, Plant and Equipment, net		8,024	7,836
Other Noncurrent Assets
Regulatory assets		439	442
Goodwill		607	607
Other intangibles		19	21
Other noncurrent assets		157	116
Total Other Noncurrent Assets		1,222	1,186
Total Assets		9,714	9,542
Current Liabilities
Short-term debt		93	101
Long-term debt due within one year		0	13
Taxes		32	26
Interest		24	19
Asset Retirement Obligations		13	26
Customer deposits		35	33
Regulatory liabilities		1	6
Other current liabilities		52	51
Total Current Liabilities		402	499
Long-term Debt [Abstract]
Long-term Debt		3,064	2,907
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		912	896
Investment tax credits		83	85
Asset retirement obligations		53	56
Regulatory liabilities		1,018	1,029
Other deferred credits and noncurrent liabilities		30	32
Total Deferred Credits and Other Noncurrent Liabilities		2,096	2,098
Commitments and Contingent Liabilities
Equity
Common stock	[4]	308	308
Additional paid-in capital		3,033	3,041
Earnings reinvested		811	689
Total Shareowners' Common Equity		4,152	4,038
Total Liabilities and Equity		$ 9,714	$ 9,542
Common stock no par value		$ 0	$ 0
Kentucky Utilities Co [Member] | Related Party
Current Liabilities
Accounts payable		$ 72	$ 101
Kentucky Utilities Co [Member] | Nonrelated Party
Current Liabilities
Accounts payable		$ 80	$ 123

[1] 1,560,000 shares authorized; 770,013 shares issued and 737,130 shares outstanding at December 31, 2023. 1,560,000 shares authorized; 770,013 shares issued and 736,487 shares outstanding at December 31, 2022.

[2] 170,000 shares authorized; 66,368 shares issued and outstanding at December 31, 2023 and December 31, 2022

[3] 75,000 shares authorized; 21,294 shares issued and outstanding at December 31, 2023 and December 31, 2022.

[4] 80,000 shares authorized; 37,818 shares issued and outstanding at December 31, 2023 and December 31, 2022.