v3.26.3
Casualty, Environmental and Other Reserves (Tables)
9 Months Ended
Sep. 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.
September 30, 2026December 31, 2025
(Dollars in Millions)
CurrentLong-termTotalCurrentLong-termTotal
Casualty:
Personal Injury$60 $101 $161 $60 $94 $154 
Occupational6 53 59 6 53 59 
     Total Casualty66 154 220 66 147 213 
Environmental50 92 142 49 107 156 
Other69 48 117 69 41 110 
     Total$185 $294 $479 $184 $295 $479