CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Millions		Total	Common Stock [Member]		Additional Paid-in Capital	Earnings Reinvested	Accumulated Other Comprehensive Loss	Treasury Stock	Preferred stock	PPL Electric Utilities Corp [Member]		PPL Electric Utilities Corp [Member] Common Stock [Member]		PPL Electric Utilities Corp [Member] Additional Paid-in Capital	PPL Electric Utilities Corp [Member] Earnings Reinvested	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	Louisville Gas And Electric Co [Member] Earnings Reinvested	Kentucky Utilities Co [Member]		Kentucky Utilities Co [Member] Common Stock [Member]		Kentucky Utilities Co [Member] Additional Paid-in Capital	Kentucky Utilities Co [Member] Earnings Reinvested
Total Equity		$ 13,373	$ 8		$ 12,270	$ 5,315	$ (4,220)	$ 0	$ 0
Dividends Declared Per Share of Common Stock		$ 1.660
Balance at beginning of period - shares at Dec. 31, 2020			768,907	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Balance at beginning of period at Dec. 31, 2020										$ 5,124		$ 364		$ 3,753	$ 1,007	$ 2,948		$ 424		$ 1,923	$ 601	$ 3,782		$ 308		$ 2,857	$ 617
Common stock shares issued	[1]		983
Treasury stock			(34,778)
Net income (loss)		$ (1,480)				(1,480)				445	[5]				445	249	[6]				249	296	[7]				296
Capital contributions from parent										1,075				1,075		74				74		100				100
Return of Capital to Parent										(574)				(574)
Cash dividends declared on common stock										(334)					(334)	(192)					(192)	(250)					(250)
Other comprehensive income (loss)		4,063					4,063
Balance at end of period - shares at Dec. 31, 2021			735,112	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Balance at end of period at Dec. 31, 2021										5,736		$ 364		4,254	1,118	3,079		$ 424		1,997	658	3,928		$ 308		2,957	663
Common stock issued		29			29
Treasury stock		(1,003)						(1,003)
Stock-based compensation		4			4
Dividends		(1,263)				(1,263)
Total Equity		$ 13,723	$ 8		12,303	2,572	(157)	$ (1,003)	0
Dividends Declared Per Share of Common Stock		$ 0.875
Common stock shares issued	[1]		123
Net income (loss)		$ 756				756				525	[5]				525	272	[6]				272	322	[7]				322
Capital contributions from parent																90				90		84				84
Return of Capital to Parent										(170)				(170)
Cash dividends declared on common stock										$ (340)					(340)	$ (275)					(275)	$ (296)					(296)
Other comprehensive income (loss)		$ 33					33
Balance at end of period - shares at Dec. 31, 2022		736,487	736,487	[1]						66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Dec. 31, 2022		$ 13,915								$ 5,751		$ 364		4,084	1,303	$ 3,166		$ 424		2,087	655	$ 4,038		$ 308		3,041	689
Noncontrolling Interest, Increase from Business Combination									3
Common stock issued		5			5
Stock-based compensation		9			9
Dividends		(647)				(647)
Stock Issued During Period, Value, Reissued Treasury Stock		36
Stock Issued During Period, Shares, Treasury Stock Reissued								1,252
Total Equity		$ 13,918	$ 8		12,317	2,681	(124)	$ (967)	3
Dividends Declared Per Share of Common Stock		$ 0.960
Net income (loss)		$ 740				740				519	[5]				519	266	[6]				266	312	[7]				312
Capital contributions from parent										206				206		67				67		76				76
Return of Capital to Parent										(250)				(250)		(161)				(161)		(84)				(84)
Cash dividends declared on common stock										$ (323)					(323)	$ (166)					(166)	$ (190)					(190)
Other comprehensive income (loss)		$ (39)					(39)
Balance at end of period - shares at Dec. 31, 2023		737,130	737,130	[1]						66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Dec. 31, 2023		$ 13,933								$ 5,903		$ 364		$ 4,040	$ 1,499	$ 3,172		$ 424		$ 1,993	$ 755	$ 4,152		$ 308		$ 3,033	$ 811
Stock-based compensation		5			5
Dividends		(711)				(711)
Stock Issued During Period, Value, Reissued Treasury Stock		23			4			$ 19
Stock Issued During Period, Shares, Treasury Stock Reissued								643
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests									(3)
Total Equity		$ 13,933	$ 8		$ 12,326	$ 2,710	$ (163)	$ (948)	$ 0

[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.

[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] Net income equals comprehensive income.