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	Noncontrolling Interest	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	$ 13,918		$ 8		$ 12,317	$ 2,681		$ (124)	$ (967)	$ 3	$ 5,751		$ 364		$ 4,084	$ 1,303	$ 3,166		$ 424		$ 2,087	$ 655	$ 4,038		$ 308		$ 3,041	$ 689
Dividends Declared Per Share of Common Stock (in dollars per share)	$ 0.2400
Balance at beginning of period - shares at Dec. 31, 2022			736,487	[1]									66,368	[2]					21,294	[3]					37,818	[4]
Stock Issued During Period, Value, Treasury Stock Reissued	$ 19				2				$ 17
Stock Issued During Period, Shares, Treasury Stock Reissued									580
Stock-based compensation	(9)				(9)
Net income (loss)	285					285					138	[5]				138	86					86	88	[6]				88
Capital contributions from parent											200																(54)
Dividends and dividend equivalents	(178)	[7]				(178)	[7]									(74)						(31)						(35)
Dividends declared											(74)						(31)						(35)
Other comprehensive income (loss)	1							1
Balance at end of period - shares at Mar. 31, 2023			737,067	[1]									66,368	[2]					21,294	[3]					37,818	[4]
Contributions from parent											200				200
Return of Capital to Parent																					(120)						(54)
Total Equity	14,036		$ 8		12,310	2,788		(123)	$ (950)	3	6,015		$ 364		4,284	1,367	3,101		$ 424		1,967	710	4,037		$ 308		2,987	742
Total Equity	$ 13,933		$ 8		12,326	2,710		(163)	(948)	0	$ 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)	$ 0.2575
Balance at beginning 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]
Stock Issued During Period, Value, Treasury Stock Reissued	$ 17				0				$ 17
Stock Issued During Period, Shares, Treasury Stock Reissued									606
Stock-based compensation	(12)				(12)
Net income (loss)	307					307					$ 149	[5]				149	$ 93	[8]				93	$ 108	[6]				108
Capital contributions from parent											675
Dividends and dividend equivalents	(189)	[7]				(189)	[7]									(88)						(37)						(47)
Dividends declared											$ (88)						$ (37)						$ (47)
Other comprehensive income (loss)	$ 2							2
Balance at end of period - shares at Mar. 31, 2024	737,736		737,736								66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Contributions from parent											$ 675				675
Return of Capital to Parent																					(51)						(50)
Total Equity	$ 14,058		$ 8		$ 12,314	$ 2,828		$ (161)	$ (931)	$ 0	$ 6,639		$ 364		$ 4,715	$ 1,560	$ 3,177		$ 424		$ 1,942	$ 811	$ 4,163		$ 308		$ 2,983	$ 872

[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 $0.2575 for the three months ended March 31, 2024 and $0.2400 for the three months ended March 31, 2023.

[8] Net income equals comprehensive income.