XML 95 R40.htm IDEA: XBRL DOCUMENT v3.21.2
Leases - Balance Sheet Summary (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Operating Leases    
Lease liability $ 38  
Finance Leases    
Lease liability 56  
Pipeline and storage    
Operating Leases    
ROU assets, net 18 $ 15
Lease liability 18 16
Finance Leases    
ROU assets, net 24 26
Lease liability 36 38
Railcars    
Operating Leases    
ROU assets, net 7 8
Lease liability 7 8
Finance Leases    
ROU assets, net 0 0
Lease liability 0 0
Real estate and other    
Operating Leases    
ROU assets, net 13 14
Lease liability 13 14
Finance Leases    
ROU assets, net 18 21
Lease liability $ 20 $ 22