Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Other	$ 150	$ 58
Cumulative Effect, Period of Adoption, Adjustment
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount		2
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	95	69	$ 73	$ 58
Additions charged to income	78	26	28
Deductions	52	30	13
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount			73
Other	36	32	30
PPL Electric Utilities Corp [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Other	12	22
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	33	35	41	$ 30
Additions charged to income	27	13	19
Deductions	29	19	8
SEC Schedule, 12-09, Valuation Allowances and Reserves, Adjusted for CECL, Amount			$ 41
Other	$ 3	$ 3