Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2024

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

The changes in the carrying amounts of AROs were as follows.

	PPL		LG&E		KU
Balance at December 31, 2023	$	158	$	85	$	66
Accretion	6		3		3
New obligations incurred (a)	8		3		5
Changes in estimated cash flow or settlement date	1		1		(1)
Obligations settled	(15)		(8)		(7)
Other	2		—		—
Balance at September 30, 2024	$	160	$	84	$	66

Louisville Gas And Electric Co [Member]

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

The changes in the carrying amounts of AROs were as follows.

	PPL		LG&E		KU
Balance at December 31, 2023	$	158	$	85	$	66
Accretion	6		3		3
New obligations incurred (a)	8		3		5
Changes in estimated cash flow or settlement date	1		1		(1)
Obligations settled	(15)		(8)		(7)
Other	2		—		—
Balance at September 30, 2024	$	160	$	84	$	66

Kentucky Utilities Co [Member]

Asset Retirement Obligation [Line Items]

Asset Retirement Obligation Roll Forward

The changes in the carrying amounts of AROs were as follows.

	PPL		LG&E		KU
Balance at December 31, 2023	$	158	$	85	$	66
Accretion	6		3		3
New obligations incurred (a)	8		3		5
Changes in estimated cash flow or settlement date	1		1		(1)
Obligations settled	(15)		(8)		(7)
Other	2		—		—
Balance at September 30, 2024	$	160	$	84	$	66