XML 14 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document And Entity Information - shares
3 Months Ended
Mar. 29, 2019
Apr. 12, 2019
Document And Entity Information [Abstract]    
Document type 10-Q  
Amendment flag false  
Document period end date Mar. 29, 2019  
Document fiscal year focus 2019  
Document fiscal period focus Q1  
Current fiscal year end date --12-31  
Trading symbol dhr  
Entity registrant name DANAHER CORP /DE/  
Entity central index key 0000313616  
Entity filer category Large Accelerated Filer  
Entity small business false  
Entity emerging growth company false  
Entity common stock, shares outstanding   715,933,649