XML 61 R38.htm IDEA: XBRL DOCUMENT v3.20.4
Other Liabilities (Tables)
12 Months Ended
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]  
Other Liabilities
 December 31,
 20202019
 ($ in millions)
Long-term advances from Conrail (Note 6)$534 $280 
Non-current operating lease liability (Note 10)344 441 
Net pension benefit obligations (Note 12)340 302 
Net other postretirement benefit obligations (Note 12)306 287 
Casualty and other claims (Note 17)169 171 
Deferred compensation107 104 
Other187 159 
Total$1,987 $1,744