DISCONTINUED OPERATIONS - Narrative (Details) $ in Millions			3 Months Ended	9 Months Ended
	Jun. 27, 2025 USD ($)	Jun. 16, 2025	Sep. 26, 2025 USD ($)	Sep. 26, 2025 USD ($)
Ralliant
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation-related costs			$ 46	$ 109
Ralliant | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash received in discontinued operation			$ 45
Ralliant
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash dividends Ralliant made to Fortive prior to Distribution Date	$ 1,150
Ralliant | Ralliant
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Distribution ratio of shares		0.3333
Ralliant | Senior Notes
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal amount	$ 1,150