v3.8.0.1
Document and Entity Information
9 Months Ended
Sep. 30, 2017
Document and Entity Information [Abstract]  
Entity Registrant Name ANDEAVOR LOGISTICS LP
Entity Central Index Key 0001507615
Document Type 8-K
Document Period End Date Sep. 30, 2017
Amendment Flag false
Document Fiscal Year Focus 2017
Document Fiscal Period Focus Q3
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer