Utility Rate Regulation (Other) (Details) $ in Billions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Nov. 06, 2023 MW
PPL Electric [Member] | Unaffiliated Third Party Entity [Member]
Purchases Of Accounts Receivable [Line Items]
Purchases of accounts receivable	$ 1.5	$ 1.3	$ 1.2
PPL Electric Utilities Corp [Member] | Unaffiliated Third Party Entity [Member]
Purchases Of Accounts Receivable [Line Items]
Purchases of accounts receivable	$ 1.5	$ 1.3	$ 1.2
LOUISVILLE GAS And ELECTRIC CO [Member]
Purchases Of Accounts Receivable [Line Items]
Mill Creek 2 Unit, Generation Capacity, Power | MW				297