Utility Rate Regulation (Other) (Details) - Unaffiliated Third Party Entity [Member] - USD ($) $ in Billions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
PPL Electric [Member]
Purchases Of Accounts Receivable [Line Items]
Purchases of accounts receivable	$ 1.5	$ 1.5	$ 1.3
PPL Electric Utilities Corp [Member]
Purchases Of Accounts Receivable [Line Items]
Purchases of accounts receivable	$ 1.5	$ 1.5	$ 1.3

Accounts receivable purchased under a Public Utility Commission-approved program whereby certain accounts receivable are purchased and recorded at fair value from affiliated or unaffiliated alternative suppliers at a nominal discount.

No definition available.

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Namespace Prefix:	ppl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration