Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Other	$ 271	$ 150
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	130	95	$ 69	$ 73
Additions charged to income	87	78	26
Deductions	52	52	30
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount			69
Other	41	36	32
PPL Electric Utilities Corp [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Other	8	12
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	50	33	35	$ 41
Additions charged to income	52	27	13
Deductions	35	29	19
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount			$ 35
Other	$ 3	$ 3