Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2023

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, 2022	$	177	$	86	$	82
Accretion	4		2		2
New obligations incurred	2		1		1
Changes in estimated cash flow or settlement date	(1)		1		—
Obligations settled	(16)		(6)		(10)
Other	(5)		(6)		—
Balance at June 30, 2023	$	161	$	78	$	75

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, 2022	$	177	$	86	$	82
Accretion	4		2		2
New obligations incurred	2		1		1
Changes in estimated cash flow or settlement date	(1)		1		—
Obligations settled	(16)		(6)		(10)
Other	(5)		(6)		—
Balance at June 30, 2023	$	161	$	78	$	75

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, 2022	$	177	$	86	$	82
Accretion	4		2		2
New obligations incurred	2		1		1
Changes in estimated cash flow or settlement date	(1)		1		—
Obligations settled	(16)		(6)		(10)
Other	(5)		(6)		—
Balance at June 30, 2023	$	161	$	78	$	75