CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Millions		Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock [Member]		Additional Paid-in Capital	Earnings Reinvested	Earnings Reinvested Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interest	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		$ 12,991		$ 8		$ 12,214	$ 5,127		$ (4,358)	$ 0	$ 0
Dividends Declared Per Share of Common Stock		$ 1.660
Balance at beginning of period - shares at Dec. 31, 2019				767,233	[1]									66,368	[2]					21,294	[3]					37,818	[4]
Balance at beginning of period at Dec. 31, 2019												$ 4,832		$ 364		$ 3,558	$ 910	$ 2,762		$ 424		$ 1,820	$ 518	$ 3,574		$ 308		$ 2,729	$ 537
Common stock shares issued	[1]			1,674
Net income (loss)		$ 1,469					1,469					497	[5]				497	244	[6]				244	280	[7]				280
Capital contributions from parent												940				940		103				103		128				128
Return of Capital to Parent												(745)				(745)
Cash dividends declared on common stock												(400)					(400)	(161)					(161)	(200)					(200)
Other comprehensive income (loss)		138							138
Balance at end of period - shares at Dec. 31, 2020				768,907	[1]									66,368	[2]					21,294	[3]					37,818	[4]
Balance at end 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 issued		51				51
Stock-based compensation		5				5
Dividends		(1,279)					(1,279)
Total Equity		$ 13,373	$ (2)	$ 8		12,270	5,315	$ (2)	(4,220)	$ 0	0
Dividends Declared Per Share of Common Stock		$ 1.660
Common stock shares issued	[1]			983
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		735,112	[1]							66,368		66,368	[2]			21,294		21,294	[3]			37,818		37,818	[4]
Balance at end of period at Dec. 31, 2021		$ 13,723										$ 5,736		$ 364		4,254	1,118	$ 3,079		$ 424		1,997	658	$ 3,928		$ 308		2,957	663
Common stock issued		29				29
Stock-based compensation		4				4
Dividends		(1,263)					(1,263)
Stock Issued During Period, Value, Reissued Treasury Stock		(1,003)
Stock Issued During Period, Shares, Treasury Stock Reissued										(34,778)
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
Treasury stock				1,252
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									3
Common stock issued		5				5
Stock-based compensation		9				9
Dividends		(647)					(647)
Stock Issued During Period, Value, Reissued Treasury Stock		36								36
Total Equity		$ 13,918		$ 8		$ 12,317	$ 2,681		$ (124)	$ (967)	$ 3

[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.