XML 87 R67.htm IDEA: XBRL DOCUMENT v3.19.3
Related Party Transactions - Expenses from Related Parties (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Related Party Transaction [Line Items]        
Cost of materials and other $ 1,221 $ 1,556 $ 3,589 $ 4,295
Enable | Joint Venture Transportation Agreement        
Related Party Transaction [Line Items]        
Cost of materials and other 3 2 8 6
American Railcar Industries, Inc. | Joint Venture Transportation Agreement        
Related Party Transaction [Line Items]        
Cost of materials and other 0 0 0 1
American Entertainment Properties Corporation | Tax Allocation Agreement        
Related Party Transaction [Line Items]        
Payments made $ 0 $ 5 $ 0 $ 13