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		$ 13,373	$ 8		$ 12,270	$ 5,315	$ (4,220)	$ 0	$ 0	$ 5,124		$ 364		$ 3,753	$ 1,007	$ 2,948		$ 424		$ 1,923	$ 601	$ 3,782		$ 308		$ 2,857	$ 617
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.830
Balance at beginning of period - shares at Dec. 31, 2020			768,907	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued	[1]		657
Common stock issued		$ 20			20
Stock-based compensation		(9)			(9)
Net income (loss)		(1,821)				(1,821)				209	[5]				209	120	[6]				120	142	[7]				142
Capital contributions from parent										750				750		44				44		60				60
Dividends and dividend equivalents	[8]	(640)				(640)
Dividends declared										(201)					(201)	(109)					(109)	(111)					(111)
Other comprehensive income		4,029					4,029
Balance at end of period - shares at Jun. 30, 2021			769,564	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Contributions from parent										750						44						60
Total Equity		$ 11,554	$ 8		12,273	3,155	(3,882)	0	0	5,122		$ 364		3,753	1,005	2,963		$ 424		1,923	616	3,812		$ 308		2,857	647
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.415
Balance at beginning of period - shares at Mar. 31, 2021			769,427									66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued			137
Common stock issued		$ 4			4
Stock-based compensation		4			4
Net income (loss)		19				19				96	[5]				96	45	[6]				45	56	[7]				56
Capital contributions from parent										750				750		44				44		60				60
Dividends and dividend equivalents		(320)				(320)
Dividends declared										(86)					(86)	(49)					(49)	(55)					(55)
Other comprehensive income		3,691					3,691
Balance at end of period - shares at Jun. 30, 2021			769,564	[1]								66,368	[2]					21,294	[3]					37,818	[4]
Total Equity		14,952	$ 8		12,281	2,854	(191)	0	0	5,882		$ 364		4,503	1,015	3,003		$ 424		1,967	612	3,873		$ 308		2,917	648
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)		$ 0.425
Balance at beginning of period - shares at Dec. 31, 2021		735,112	735,112	[1]						66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at beginning of period at Dec. 31, 2021		$ 13,723
Common stock shares issued			123
Common stock issued		12			12
Stock Issued During Period, Value, Treasury Stock Reissued		27						$ 27
Stock Issued During Period, Shares, Treasury Stock Reissued								922
Stock-based compensation		(2)			(2)
Net income (loss)		392				392				$ 267	[5]				267	$ 147	[6]				147	$ 173	[7]				173
Capital contributions from parent																10				10		60				60
Dividends and dividend equivalents	[8]	(315)				(315)
Dividends declared										$ (165)					(165)	$ (136)					(136)	$ (159)					(159)
Other comprehensive income		$ 33					33
Balance at end of period - shares at Jun. 30, 2022		736,157	736,157							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Jun. 30, 2022		$ 13,870
Contributions from parent										$ 0						$ 10						$ 60
Return of Capital to Parent										(65)				(65)
Preferred stock		3							3
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
Dividends Declared Per Share of Common Stock (in dollars per share)		$ 0.225
Balance at beginning of period - shares at Mar. 31, 2022			735,765									66,368	[2]					21,294	[3]					37,818	[4]
Common stock shares issued
Common stock issued		$ 8			8
Stock Issued During Period, Value, Treasury Stock Reissued		11						$ 11
Treasury stock acquired								392
Stock-based compensation		6			6
Net income (loss)		119				119				124	[5]				124	54	[6]				54	66	[7]				66
Capital contributions from parent																10				10		60				60
Dividends and dividend equivalents		(167)				(167)
Dividends declared										$ (93)					(93)	$ (61)					(61)	$ (69)					(69)
Other comprehensive income		$ 28					28
Balance at end of period - shares at Jun. 30, 2022		736,157	736,157							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Jun. 30, 2022		$ 13,870
Return of Capital to Parent										$ (25)				(25)
Preferred stock		3							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

[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 $0.225 and $0.425 for the three and six months ended June 30, 2022 and $0.415 and $0.830 for the three and six months ended June 30, 2021.