Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2025

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, 2024	$	157	$	84	$	64
Accretion	6		3		3
Changes in estimated timing or cost	3		1		2
Obligations settled	(18)		(9)		(7)
Balance at September 30, 2025	$	148	$	79	$	62

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, 2024	$	157	$	84	$	64
Accretion	6		3		3
Changes in estimated timing or cost	3		1		2
Obligations settled	(18)		(9)		(7)
Balance at September 30, 2025	$	148	$	79	$	62

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, 2024	$	157	$	84	$	64
Accretion	6		3		3
Changes in estimated timing or cost	3		1		2
Obligations settled	(18)		(9)		(7)
Balance at September 30, 2025	$	148	$	79	$	62