XML 68 R48.htm IDEA: XBRL DOCUMENT v3.20.1
Revenue Recognition - Receivables and Contract Liabilities (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
term
Dec. 31, 2019
USD ($)
Jan. 01, 2019
USD ($)
Disaggregation of Revenue [Line Items]      
Receivables from contracts with customers $ 10 $ 12  
Deferred revenue 1 0 $ 0
Total 810    
Less than 1 year 110    
Years 2 to 3 219    
Years 4 to 5 219    
More than 5 years 262    
Related Parties      
Disaggregation of Revenue [Line Items]      
Receivables from contracts with customers 27   24
Deferred revenue 1 0 0
Third Parties      
Disaggregation of Revenue [Line Items]      
Receivables from contracts with customers 10   $ 11
Deferred revenue $ 1 $ 0  
Transportation Services Operating Leases, Five Year Terms      
Disaggregation of Revenue [Line Items]      
Initial term 10 years    
Number of additional terms | term 2    
Additional term 5 years    
Transportation Services Operating Leases, One Year Terms      
Disaggregation of Revenue [Line Items]      
Initial term 10 years    
Number of additional terms | term 10    
Additional term 1 year    
Transportation Services Operating Leases      
Disaggregation of Revenue [Line Items]      
Initial term 10 years