CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Assets, Current [Abstract]
Cash and cash equivalents		$ 326	$ 356
Accounts receivable (less reserve:)
Customer		979	896
Other		70	150
Unbilled revenues		322	552
Fuel, materials and supplies		474	443
Prepayments		189	92
Regulatory Assets, Current		331	258
Other current assets		34	77
Total Current Assets		2,725	2,824
Property, Plant and Equipment
Regulated utility plant		37,743	36,961
Less:  accumulated depreciation - regulated utility plant		8,771	8,352
Regulated utility plant, net		28,972	28,609
Non-regulated property, plant and equipment		68	92
Less:  accumulated depreciation - non-regulated property, plant and equipment		22	46
Non-regulated property, plant and equipment, net		46	46
Construction work in progress		1,744	1,583
Property, Plant and Equipment, net		30,762	30,238
Other Noncurrent Assets
Regulatory assets		1,826	1,819
Goodwill		2,247	2,248
Other intangibles		309	313
Other noncurrent assets		427	395
Assets, Noncurrent		4,809	4,775
Total Assets		38,296	37,837
Current Liabilities
Short-term debt		243	985
Long-term debt due within one year		91	354
Accounts payable		975	1,201
Taxes		93	124
Interest		141	97
Dividends		173	166
Regulatory liabilities		280	238
Other current liabilities		509	624
Liabilities, Current, Total		2,505	3,789
Long-term Debt, Unclassified [Abstract]
Long-term Debt		14,481	12,889
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		3,138	3,007
Investment tax credits		115	117
Accrued pension obligations		192	206
Asset retirement obligations		128	138
Regulatory liabilities		3,421	3,412
Other deferred credits and noncurrent liabilities		357	361
Total Deferred Credits and Other Noncurrent Liabilities		7,351	7,241
Commitments and Contingent Liabilities
Equity
Common stock	[1]	8	8
Additional paid-in capital		12,316	12,317
Treasury Stock		(949)	(967)
Earnings reinvested		2,721	2,681
Accumulated other comprehensive loss		(137)	(124)
Total Shareowners' Common Equity		13,959	13,915
Noncontrolling interests		0	3
Total Equity		13,959	13,918
Total Liabilities and Equity		38,296	37,837
PPL Electric Utilities Corp [Member]
Assets, Current [Abstract]
Cash and cash equivalents		26	25
Accounts receivable (less reserve:)
Other		10	12
Unbilled revenues		108	224
Notes Receivable from affiliates		0	0
Fuel, materials and supplies		90	69
Prepayments		96	34
Regulatory Assets, Current		49	13
Other current assets		20	22
Total Current Assets		897	759
Property, Plant and Equipment
Regulated utility plant		15,139	14,794
Less:  accumulated depreciation - regulated utility plant		3,684	3,544
Regulated utility plant, net		11,455	11,250
Construction work in progress		628	593
Property, Plant and Equipment, net		12,083	11,843
Other Noncurrent Assets
Regulatory assets		552	568
Other intangibles		268	269
Other noncurrent assets		129	126
Assets, Noncurrent		949	963
Total Assets		13,929	13,565
Current Liabilities
Short-term debt		130	145
Long-term debt due within one year		90	340
Taxes		0	36
Interest		57	35
Regulatory liabilities		82	85
Other current liabilities		88	86
Liabilities, Current, Total		865	1,223
Long-term Debt, Unclassified [Abstract]
Long-term Debt		4,565	4,146
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		1,568	1,514
Regulatory liabilities		835	820
Other deferred credits and noncurrent liabilities		85	111
Total Deferred Credits and Other Noncurrent Liabilities		2,488	2,445
Commitments and Contingent Liabilities
Equity
Common stock	[2]	364	364
Additional paid-in capital		4,259	4,084
Earnings reinvested		1,388	1,303
Total Equity		6,011	5,751
Total Liabilities and Equity		$ 13,929	$ 13,565
Financing Receivable, after Allowance for Credit Loss, Related and Nonrelated Party Status [Extensible Enumeration]		Related Party	Related Party
PPL Electric Utilities Corp [Member] | Related Party
Accounts receivable (less reserve:)
Customer		$ 10	$ 3
Current Liabilities
Accounts payable		32	16
PPL Electric Utilities Corp [Member] | Nonrelated Party
Accounts receivable (less reserve:)
Customer		488	357
Current Liabilities
Accounts payable		386	480
Louisville Gas And Electric Co [Member]
Assets, Current [Abstract]
Cash and cash equivalents		7	93
Accounts receivable (less reserve:)
Other		16	13
Unbilled revenues		70	112
Notes Receivable from affiliates		8	0
Fuel, materials and supplies		135	166
Prepayments		17	13
Regulatory Assets, Current		4	23
Other current assets		1	2
Total Current Assets		377	616
Property, Plant and Equipment
Regulated utility plant		7,527	7,429
Less:  accumulated depreciation - regulated utility plant		1,443	1,355
Regulated utility plant, net		6,084	6,074
Construction work in progress		294	268
Property, Plant and Equipment, net		6,378	6,342
Other Noncurrent Assets
Regulatory assets		384	373
Goodwill		389	389
Other intangibles		21	24
Other noncurrent assets		70	66
Assets, Noncurrent		864	852
Total Assets		7,619	7,810
Current Liabilities
Short-term debt		21	179
Notes Payable to affiliates			0
Taxes		25	41
Price risk management liabilities current		1	1
Interest		21	15
Current Customer Deposits		33	32
Regulatory liabilities		19	7
Asset Retirement Obligation, Current		14	13
Other current liabilities		36	46
Liabilities, Current, Total		335	559
Long-term Debt, Unclassified [Abstract]
Long-term Debt		2,404	2,307
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		774	771
Investment tax credits		31	31
Asset retirement obligations		64	73
Regulatory liabilities		833	833
Price risk management liabilities		6	6
Other deferred credits and noncurrent liabilities		61	64
Total Deferred Credits and Other Noncurrent Liabilities		1,769	1,778
Commitments and Contingent Liabilities
Equity
Common stock	[3]	424	424
Additional paid-in capital		1,987	2,087
Earnings reinvested		700	655
Total Equity		3,111	3,166
Total Liabilities and Equity		$ 7,619	$ 7,810
Financing Receivable, after Allowance for Credit Loss, Related and Nonrelated Party Status [Extensible Enumeration]		Related Party	Related Party
Notes Payable, Related and Nonrelated Party Status [Extensible Enumeration]			Related Party
Louisville Gas And Electric Co [Member] | Related Party
Accounts receivable (less reserve:)
Customer		$ 17	$ 37
Current Liabilities
Accounts payable		52	60
Louisville Gas And Electric Co [Member] | Nonrelated Party
Accounts receivable (less reserve:)
Customer		102	157
Current Liabilities
Accounts payable		113	165
Kentucky Utilities Co [Member]
Assets, Current [Abstract]
Cash and cash equivalents		9	21
Accounts receivable (less reserve:)
Customer		133	158
Other		13	13
Unbilled revenues		87	114
Fuel, materials and supplies		193	167
Prepayments		16	14
Regulatory Assets, Current		10	32
Other current assets		0	1
Total Current Assets		461	520
Property, Plant and Equipment
Regulated utility plant		9,700	9,515
Less:  accumulated depreciation - regulated utility plant		2,344	2,201
Regulated utility plant, net		7,356	7,314
Construction work in progress		592	522
Property, Plant and Equipment, net		7,948	7,836
Other Noncurrent Assets
Regulatory assets		447	442
Goodwill		607	607
Other intangibles		20	21
Other noncurrent assets		127	116
Assets, Noncurrent		1,201	1,186
Total Assets		9,610	9,542
Current Liabilities
Short-term debt		92	101
Long-term debt due within one year		0	13
Notes Payable to affiliates		8	0
Taxes		23	26
Interest		25	19
Current Customer Deposits		34	33
Regulatory liabilities		2	6
Asset Retirement Obligation, Current		19	26
Other current liabilities		49	51
Liabilities, Current, Total		413	499
Long-term Debt, Unclassified [Abstract]
Long-term Debt		3,003	2,907
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes		903	896
Investment tax credits		84	85
Asset retirement obligations		56	56
Regulatory liabilities		1,032	1,029
Other deferred credits and noncurrent liabilities		34	32
Total Deferred Credits and Other Noncurrent Liabilities		2,109	2,098
Commitments and Contingent Liabilities
Equity
Common stock	[4]	308	308
Additional paid-in capital		3,041	3,041
Earnings reinvested		736	689
Total Equity		4,085	4,038
Total Liabilities and Equity		$ 9,610	$ 9,542
Notes Payable, Related and Nonrelated Party Status [Extensible Enumeration]		Related Party	Related Party
Kentucky Utilities Co [Member] | Related Party
Current Liabilities
Accounts payable		$ 75	$ 101
Kentucky Utilities Co [Member] | Nonrelated Party
Current Liabilities
Accounts payable		$ 86	$ 123

[1] 1,560,000 shares authorized, 770,013 shares issued and 737,086 shares outstanding at June 30, 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 June 30, 2023 and December 31, 2022.

[3] 75,000 shares authorized; 21,294 shares issued and outstanding at June 30, 2023 and December 31, 2022.

[4] 80,000 shares authorized; 37,818 shares issued and outstanding at June 30, 2023 and December 31, 2022.