Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Aug. 04, 2017
Entity Registrant Name	ANDEAVOR LOGISTICS LP
Entity Central Index Key	0001507615
Document Type	10-Q
Document Period End Date	Jun. 30, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
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
Common
Limited Partners' Capital Account, Units Issued		108,002,273
General Partner
Limited Partners' Capital Account, Units Issued		2,202,880