Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 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	2		1		1
Changes in estimated timing or cost	(1)		—		(1)
Obligations settled	(4)		(1)		(3)
Balance at March 31, 2025	$	154	$	84	$	61

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	2		1		1
Changes in estimated timing or cost	(1)		—		(1)
Obligations settled	(4)		(1)		(3)
Balance at March 31, 2025	$	154	$	84	$	61

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	2		1		1
Changes in estimated timing or cost	(1)		—		(1)
Obligations settled	(4)		(1)		(3)
Balance at March 31, 2025	$	154	$	84	$	61