Preferred Securities (Details) - $ / shares	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Preferred Securities [Line Items]
Preferred Stock, Shares Outstanding		49,089
Par value of stock		$ 50
Preferred Stock [Member]
Preferred Securities [Line Items]
Shares authorized	10,000,000
Preferred Stock, Shares Issued	0		0	0
Preferred Stock, Shares Outstanding	0		0	0
PPL Electric Utilities Corp [Member] | Preferred Stock [Member]
Preferred Securities [Line Items]
Shares authorized	20,629,936
Preferred Stock, Shares Issued	0		0	0
Preferred Stock, Shares Outstanding	0		0	0
Louisville Gas And Electric Co [Member] | Preferred Stock [Member]
Preferred Securities [Line Items]
Shares authorized	1,720,000
Preferred Stock, Shares Issued	0		0	0
Preferred Stock, Shares Outstanding	0		0	0
Par value of stock	$ 25
Louisville Gas And Electric Co [Member] | Preferred Stock Without Par Value [Member]
Preferred Securities [Line Items]
Shares authorized	6,750,000
Preferred Stock, Shares Issued	0		0	0
Preferred Stock, Shares Outstanding	0		0	0
Kentucky Utilities Co [Member] | Preferred Stock Without Par Value [Member]
Preferred Securities [Line Items]
Shares authorized	5,300,000
Preferred Stock, Shares Issued	0		0	0
Preferred Stock, Shares Outstanding	0		0	0
Kentucky Utilities Co [Member] | Preference Stock Without Par Value [Member]
Preferred Securities [Line Items]
Shares authorized	2,000,000
Preferred Stock, Shares Issued	0		0	0
Preferred Stock, Shares Outstanding	0		0	0