v3.25.2
Schedule of Change in Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2025
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Change in Asset Retirement Obligation [Table Text Block]
A reconciliation of our AROs is as follows:
(in millions)June 30, 2025December 31, 2024
AROs, beginning of period$2,572.2 $2,213.4 
Liabilities incurred11.1 29.8 
Liabilities settled(154.8)(253.8)
Accretion expense64.8 111.2 
Revisions in estimated cash flows55.6 541.4 
Foreign currency translation39.2 (69.8)
AROs, end of period2,588.1 2,572.2 
Less current portion306.1 352.8 
Non-current portion of AROs$2,282.0 $2,219.4