Sales Narrative (Details)	Sep. 28, 2018
Revenue from Contract with Customer [Abstract]
Percentage of remaining performance obligation expected to fulfill within the next two years	40.00%
Percentage of remaining performance obligation expected to fulfill within the next three years	75.00%

Revenue, Remaining Performance Obligation, Percentage Recognized Within Three Years

No definition available.

Name:	ftv_RevenueRemainingPerformanceObligationPercentageRecognizedWithinThreeYears
Namespace Prefix:	ftv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant