CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Millions		Total		Common Stock [Member]		Additional Paid-in Capital [Member]	Earnings Reinvested [Member]		Accumulated Other Comprehensive Loss [Member]	Treasury Stock, Common	PPL Electric Utilities Corp [Member]		PPL Electric Utilities Corp [Member] Common Stock [Member]		PPL Electric Utilities Corp [Member] Additional Paid-in Capital [Member]	PPL Electric Utilities Corp [Member] Earnings Reinvested [Member]	Louisville Gas And Electric Co [Member]		Louisville Gas And Electric Co [Member] Common Stock [Member]		Louisville Gas And Electric Co [Member] Additional Paid-in Capital [Member]	Louisville Gas And Electric Co [Member] Earnings Reinvested [Member]	Kentucky Utilities Co [Member]		Kentucky Utilities Co [Member] Common Stock [Member]		Kentucky Utilities Co [Member] Additional Paid-in Capital [Member]	Kentucky Utilities Co [Member] Earnings Reinvested [Member]
Total Equity		$ 13,933		$ 8		$ 12,326	$ 2,710		$ (163)	$ (948)	$ 5,903		$ 364		$ 4,040	$ 1,499	$ 3,172		$ 424		$ 1,993	$ 755	$ 4,152		$ 308		$ 3,033	$ 811
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.7725
Balance at beginning of period - shares at Dec. 31, 2023				737,130	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued	[1]			2
Common stock issued		$ 0
Stock Issued During Period, Value, Treasury Stock Reissued		19								$ 19
Stock Issued During Period, Shares, Treasury Stock Reissued										646
APIC, Share-Based Payment Arrangement, Recognition and Exercise		2				2
Net income (loss)		711					711				441	[5]				441	232					232	283	[6]				283
Contributions from parent											685				685		37						84
Capital contributions from parent																	37				37		84				84
Payments of Capital Distribution																	(76)				(76)		(103)				(103)
Dividends and dividend equivalents		(573)	[7]				(573)	[7]			(283)					(283)	(138)					(138)	(167)					(167)
Other comprehensive income (loss)		0
Balance at end of period - shares at Sep. 30, 2024				737,778	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Total Equity		$ 14,065		$ 8		12,321	2,826		(160)	$ (930)	6,698		$ 364		4,720	1,614	3,216		$ 424		1,979	813	4,254		$ 308		3,067	879
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.2575
Balance at beginning of period - shares at Jun. 30, 2024				737,762									66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued	[1]			2
Common stock issued		$ 0
Stock Issued During Period, Value, Treasury Stock Reissued		1								$ 1
Stock Issued During Period, Shares, Treasury Stock Reissued										14
Stock-based compensation		7				7
Net income (loss)		214					214				142	[5]				142	77					77	98	[6]				98
Capital contributions from parent											5				5
Dividends and dividend equivalents		(192)					(192)
Dividends declared											(99)					(99)	(41)					(41)	(50)					(50)
Other comprehensive income (loss)		(3)							(3)
Balance at end of period - shares at Sep. 30, 2024				737,778	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Return of Capital to Parent																	(25)				(25)		(53)				(53)
Total Equity		14,092		$ 8		12,328	2,848		(163)	$ (929)	6,746		$ 364		4,725	1,657	3,227		$ 424		1,954	849	4,249		$ 308		3,014	927
Total Equity		$ 14,077		$ 8		12,346	2,835		(184)	(928)	$ 6,730		$ 364		4,668	1,698	$ 3,271		$ 424		1,982	865	$ 4,299		$ 308		3,056	935
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.8175
Balance at beginning of period - shares at Dec. 31, 2024		738,033		738,033	[1]						66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Common stock shares issued				583
Common stock issued		$ 0
Stock Issued During Period, Value, Treasury Stock Reissued		40				13				$ 27
Stock Issued During Period, Shares, Treasury Stock Reissued										929
APIC, Share-Based Payment Arrangement, Recognition and Exercise		(3)				(3)
Net income (loss)		915					915				$ 482	[5]				482	$ 244	[8]				244	$ 312	[6]				312
Contributions from parent											540						101						91
Capital contributions from parent											540				540		101				101		91				91
Payments of Capital Distribution																	(55)				(55)		(37)				(37)
Dividends and dividend equivalents		(607)	[7]				(607)	[7]			$ (298)					(298)	$ (148)					(148)	$ (179)					(179)
Other comprehensive income (loss)		$ (9)							(9)
Balance at end of period - shares at Sep. 30, 2025		739,545		739,545							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Return of Capital to Parent											$ (100)				(100)
Total Equity		$ 14,286		$ 8		12,343	3,027		(190)	$ (902)	6,746		$ 364		4,568	1,814	$ 3,367		$ 424		2,028	915	$ 4,428		$ 308		3,110	1,010
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.2725
Balance at beginning of period - shares at Jun. 30, 2025				739,306									66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued				197
Common stock issued		$ 0
Stock Issued During Period, Value, Treasury Stock Reissued						6
Stock Issued During Period, Value, Treasury Stock Reissued		7								$ 1
Stock Issued During Period, Shares, Treasury Stock Reissued										42
Stock-based compensation		7				7
Net income (loss)		318					318				159	[5]				159	83	[8]				83	109	[6]				109
Capital contributions from parent											540				540
Dividends and dividend equivalents		(202)					(202)
Dividends declared											$ (91)					(91)	$ (37)					(37)	$ (51)					(51)
Other comprehensive income (loss)		$ (3)							(3)
Balance at end of period - shares at Sep. 30, 2025		739,545		739,545							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Total Equity		$ 14,413		$ 8		$ 12,356	$ 3,143		$ (193)	$ (901)	$ 7,354		$ 364		$ 5,108	$ 1,882	$ 3,413		$ 424		$ 2,028	$ 961	$ 4,486		$ 308		$ 3,110	$ 1,068

[1] Shares in thousands. Each share entitles the holder to one vote on any question presented at any shareowners' meeting.

[2] Shares in thousands. All common shares of PPL Electric stock are owned by PPL Energy Holdings.

[3] Shares in thousands. All common shares of LG&E stock are owned by LKE.

[4] Shares in thousands. All common shares of KU stock are owned by LKE.

[5] Net income equals comprehensive income.

[6] Net income equals comprehensive income.

[7] Dividends declared per share of common stock were $0.2725 and $0.8175 for the three and nine months ended September 30, 2025 and $0.2575 and $0.7725 for the three and nine months ended September 30, 2024.

[8] Net income equals comprehensive income.