Document And Entity Information - USD ($) $ in Billions	12 Months Ended
	Dec. 29, 2017	Feb. 22, 2018	Jun. 30, 2017
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 29, 2017
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2017
Entity Registrant Name	TRIMBLE INC.
Entity Central Index Key	0000864749
Current Fiscal Year End Date	--12-29
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		248,266,451
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 9
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No