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)		$ 0.650
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		$ 12			12
Stock Issued During Period, Value, Treasury Stock Reissued		31						$ 31
Stock Issued During Period, Shares, Treasury Stock Reissued								1,076
Stock-based compensation		2			2
Net income (loss)		566				566				410	[5]				410	224					224	268	[6]				268
Capital contributions from parent																10				10		60				60
Dividends and dividend equivalents	[7]	(480)				(480)
Dividends declared										(246)					(246)	(224)					(224)	(234)					(234)
Other comprehensive income (loss)		27					27
Balance at end of period - shares at Sep. 30, 2022			736,311	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Contributions from parent										0						10						60
Return of Capital to Parent										(130)				(130)
Preferred stock		3
Total Equity		$ 13,873	$ 8		12,313	2,649	(124)	$ (976)	3	5,773		$ 364		4,189	1,220	3,100		$ 424		2,007	669	4,002		$ 308		3,017	677
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.225
Balance at beginning of period - shares at Jun. 30, 2022			736,157									66,368	[2]					21,294	[3]					37,818	[4]
Stock Issued During Period, Value, Treasury Stock Reissued		$ 4						$ 4
Stock Issued During Period, Shares, Treasury Stock Reissued								154
Stock-based compensation		4			4
Net income (loss)		174				174				143	[5]				143	77	[8]				77	95	[6]				95
Dividends and dividend equivalents		(165)				(165)
Dividends declared										(81)					(81)	(88)					(88)	(75)					(75)
Other comprehensive income (loss)		(6)					(6)
Balance at end of period - shares at Sep. 30, 2022			736,311	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Return of Capital to Parent										(65)				(65)
Total Equity		13,884	$ 8		12,317	2,658	(130)	$ (972)	3	5,770		$ 364		4,124	1,282	3,089		$ 424		2,007	658	4,022		$ 308		3,017	697
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)		$ 0.720
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		22			3			$ 19
Stock Issued During Period, Shares, Treasury Stock Reissued								637
Stock-based compensation		(1)			(1)
Net income (loss)		627				627				$ 384	[5]				384	$ 210	[8]				210	$ 240	[6]				240
Capital contributions from parent										200				200						20						54
Dividends and dividend equivalents	[7]	(533)				(533)
Dividends declared										$ (235)					(235)	$ (115)					(115)	$ (125)					(125)
Other comprehensive income (loss)		$ (18)					(18)
Balance at end of period - shares at Sep. 30, 2023		737,124	737,124							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Sep. 30, 2023		$ 14,012
Contributions from parent										$ 200						$ 20						$ 54
Return of Capital to Parent										(75)				(75)						(161)						(84)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests									(3)
Total Equity		$ 13,959	$ 8		12,316	2,721	(137)	$ (949)	0	6,011		$ 364		4,259	1,388	3,111		$ 424		1,987	700	4,085		$ 308		3,041	736
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.240
Balance at beginning of period - shares at Jun. 30, 2023			737,086									66,368	[2]					21,294	[3]					37,818	[4]
Stock Issued During Period, Value, Treasury Stock Reissued		$ 1			0			$ 1
Treasury stock acquired								38
Stock-based compensation		3			3
Net income (loss)		230				230				136	[5]				136	79	[8]				79	101	[6]				101
Dividends and dividend equivalents		(176)				(176)
Dividends declared										$ (72)					(72)	$ (29)					(29)	$ (33)					(33)
Other comprehensive income (loss)		$ (5)					(5)
Balance at end of period - shares at Sep. 30, 2023		737,124	737,124							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Sep. 30, 2023		$ 14,012
Return of Capital to Parent										$ (50)				(50)						(41)						(30)
Total Equity		$ 14,012	$ 8		$ 12,319	$ 2,775	$ (142)	$ (948)	$ 0	$ 6,025		$ 364		$ 4,209	$ 1,452	$ 3,120		$ 424		$ 1,946	$ 750	$ 4,123		$ 308		$ 3,011	$ 804

[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 $0.240 and $0.720 for the three and nine months ended September 30, 2023 and $0.225 and $0.650 for the three and nine months ended September 30, 2022.

[8] Net income equals comprehensive income.