v3.26.3
Asset Retirement Obligations (Tables)
9 Months Ended
Sep. 30, 2026
Asset Retirement Obligation [Line Items]  
Asset Retirement Obligation Roll Forward
The changes in the carrying amounts of AROs were as follows:
PPLLG&EKU
Balance at December 31, 2025$140 $75 $57 
Accretion5 2 3 
Changes in estimated timing or cost(12)(11)(1)
Obligations settled(18)(7)(11)
Other1 — — 
Balance at September 30, 2026$116 $59 $48 
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:
PPLLG&EKU
Balance at December 31, 2025$140 $75 $57 
Accretion5 2 3 
Changes in estimated timing or cost(12)(11)(1)
Obligations settled(18)(7)(11)
Other1 — — 
Balance at September 30, 2026$116 $59 $48 
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:
PPLLG&EKU
Balance at December 31, 2025$140 $75 $57 
Accretion5 2 3 
Changes in estimated timing or cost(12)(11)(1)
Obligations settled(18)(7)(11)
Other1 — — 
Balance at September 30, 2026$116 $59 $48