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		$ 13,723	$ 8		$ 12,303	$ 2,572	$ (157)	$ (1,003)	$ 0	$ 5,736		$ 364		$ 4,254	$ 1,118	$ 3,079		$ 424		$ 1,997	$ 658	$ 3,928		$ 308		$ 2,957	$ 663
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.200
Balance at beginning of period - shares at Dec. 31, 2021			735,112	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued	[1]		123
Common stock issued		$ 4			4
Stock Issued During Period, Value, Treasury Stock Reissued		16						$ 16
Stock Issued During Period, Shares, Treasury Stock Reissued								530
Stock-based compensation		(8)			(8)
Net income (loss)		273				273				143	[5]				143	93	[6]				93	107	[7]				107
Dividends and dividend equivalents	[8]	(148)				(148)
Dividends declared										(72)					(72)	(75)					(75)	(90)					(90)
Other comprehensive income		5					5
Balance at end of period - shares at Mar. 31, 2022			735,765	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Contributions from parent										0
Return of Capital to Parent										(40)				(40)
Total Equity		13,865	$ 8		12,299	2,697	(152)	$ (987)	0	5,767		$ 364		4,214	1,189	3,097		$ 424		1,997	676	3,945		$ 308		2,957	680
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)		$ 0.240
Balance at beginning 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 beginning of period at Dec. 31, 2022		$ 13,915
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	[6]				86	$ 88	[7]				88
Capital contributions from parent										200				200
Dividends and dividend equivalents	[8]	(178)				(178)
Dividends declared										$ (74)					(74)	$ (31)					(31)	$ (35)					(35)
Other comprehensive income		$ 1					1
Balance at end of period - shares at Mar. 31, 2023		737,067	737,067							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Mar. 31, 2023		$ 14,033
Contributions from parent										$ 200
Return of Capital to Parent																$ (120)				(120)		$ (54)				(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

[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] Net income equals comprehensive income.

[8] Dividends declared per share of common stock were $0.240 for the three months ended March 31, 2023 and $0.200 for the three months ended March 31, 2022.