FINANCING - Narrative (Details) € in Millions					6 Months Ended
FINANCING - Narrative (Details) € in Millions	Jul. 25, 2025 USD ($)	Jul. 24, 2025 USD ($)	Jul. 15, 2025 USD ($)	May 15, 2025 USD ($) advance	Jun. 27, 2025 USD ($)	Jul. 15, 2025 EUR (€)
Ralliant
Debt Instrument [Line Items]
Proceeds of cash dividend					$ 1,150,000,000
Term Loans \| Ralliant
Debt Instrument [Line Items]
Number of maximum advances for borrowing debt (up to) \| advance				2
U.S. dollar-denominated commercial paper \| Commercial Paper
Debt Instrument [Line Items]
Debt term					30 days
Revolving Credit Facility
Debt Instrument [Line Items]
Debt term					5 years
Maximum borrowing capacity					$ 2,000,000,000.0
Outstanding borrowings					0
Revolving Credit Facility \| Ralliant
Debt Instrument [Line Items]
Debt term				5 years
Maximum borrowing capacity				$ 750,000,000
Outstanding borrowings					0
Delayed Draw Three Year Term Loan \| Line of Credit \| Ralliant
Debt Instrument [Line Items]
Debt term				3 years
Maximum borrowing capacity				$ 700,000,000
Delayed Draw Eighteen Month Term Loan \| Line of Credit \| Ralliant
Debt Instrument [Line Items]
Debt term				18 months
Maximum borrowing capacity				$ 600,000,000
USD Term Loan Due 2026 and USD Term Loan Due 2028 \| Ralliant
Debt Instrument [Line Items]
Principal amount					$ 1,150,000,000
3.7% Euro-denominated senior unsecured notes due 2026 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Interest rate, stated percentage					3.70%
3.7% Euro-denominated senior unsecured notes due 2026 \| Senior Unsecured Notes \| Subsequent Event
Debt Instrument [Line Items]
Interest rate, stated percentage						3.70%
3.7% Euro-denominated senior unsecured notes due 2026 \| Senior Unsecured Notes \| Subsequent Event \| Period One
Debt Instrument [Line Items]
Principal amount \| €						€ 252
3.7% Euro-denominated senior unsecured notes due 2026 \| Senior Unsecured Notes \| Subsequent Event \| Period Two
Debt Instrument [Line Items]
Principal amount \| €						€ 248
3.7% Euro-denominated senior unsecured notes due 2026 \| Senior Unsecured Notes \| Ralliant \| Subsequent Event
Debt Instrument [Line Items]
Repayments of long-term debt			$ 302,000,000
Euro Term Loan Due 2025 \| Term Loans \| Ralliant \| Subsequent Event
Debt Instrument [Line Items]
Repayments of long-term debt		$ 324,000,000
Yen Term Loan Due 2025 \| Term Loans \| Ralliant \| Subsequent Event
Debt Instrument [Line Items]
Repayments of long-term debt	$ 98,000,000
Maximum \| U.S. dollar-denominated commercial paper \| Commercial Paper
Debt Instrument [Line Items]
Debt term					397 days
Maximum \| Euro Denominated Commercial Paper \| Commercial Paper
Debt Instrument [Line Items]
Debt term					183 days

Fortive Corp 10-Q