v3.26.1
ENVIRONMENTAL MATTERS AND ASSET RETIREMENT OBLIGATIONS (Tables)
6 Months Ended
Jun. 30, 2026
Accrual for Environmental Loss Contingencies Disclosure [Abstract]  
Schedule of environmental liabilities, current and non-current
The Company's net environmental reserve for environmental contingencies, including remediation costs and asset retirement obligations, is included as part of "Payables and other current liabilities", and "Other long-term liabilities" on the Unaudited Consolidated Statements of Financial Position as follows:
(Dollars in millions)June 30, 2026December 31, 2025
Environmental contingencies, current$25 $20 
Environmental contingencies, long-term296 298 
Total$321 $318 
Schedule of changes to environmental remediation liabilities
Changes in the reserves for environmental remediation liabilities during first six months 2026 are summarized below:
(Dollars in millions)Environmental Remediation Liabilities
Balance at December 31, 2025
$285 
Changes in estimates recognized in earnings and other10 
Cash reductions(8)
Balance at June 30, 2026$287