v3.26.1
Casualty, Environmental and Other Reserves (Tables)
6 Months Ended
Jun. 30, 2026
Casualty, Environmental and Other Reserves [Abstract]  
Schedule of Balance Sheet Presentation of Casualty, Environmental and Other Reserves Casualty, environmental and other reserves are reflected in the consolidated balance sheets as shown in the table below.
June 30, 2026December 31, 2025
(Dollars in Millions)
CurrentLong-termTotalCurrentLong-termTotal
Casualty:
Personal Injury$60 $103 $163 $60 $94 $154 
Occupational6 52 58 53 59 
     Total Casualty66 155 221 66 147 213 
Environmental50 98 148 49 107 156 
Other66 47 113 69 41 110 
     Total$182 $300 $482 $184 $295 $479