XML 73 R61.htm IDEA: XBRL DOCUMENT v3.19.1
Revenue from Contracts with Customers - Narrative (Details) - Logistics
T in Millions, $ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
T
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Capacity | T 13
Performance obligation amount | $ $ 295
Expected term of agreement 5 years