Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Other	$ 76	$ 271
Allowance For Doubtful Accounts [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	154	130	$ 95	$ 69
Additions charged to income	109	87	78
Deductions	85	52	52
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount			95
Other	39	41	36
PPL Electric Utilities Corp [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Other	8	8
PPL Electric Utilities Corp [Member] | Allowance For Doubtful Accounts [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	41	50	33	$ 35
Additions charged to income	56	52	27
Deductions	65	35	29
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount			33
Other	$ 2	$ 3	$ 3