Document and Entity Information - shares
6 Months Ended
Jun. 28, 2019
Aug. 01, 2019
Document and Entity Information    
Document Transition Report false  
Document Quarterly Report true  
Document Type 10-Q  
Document Period End Date Jun. 28, 2019  
Entity File Number 001-14845  
Entity Registrant Name TRIMBLE INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 94-2802192  
Entity Central Index Key 0000864749  
Current Fiscal Year End Date --01-03  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Address, Address Line One 935 Stewart Drive  
Entity Address, City or Town Sunnyvale  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94085  
City Area Code 408  
Local Phone Number 481-8000  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol TRMB  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Common Stock, Shares Outstanding   251,789,878