CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Supplemental Income Statement Elements [Abstract]
Income from continuing operations, net of tax	$ 488.1	$ 520.0	$ 413.1
Loss from discontinued operations, net of tax benefit of $0.0, $0.0, and $0.3, respectively	(0.1)	(0.1)	(0.9)
Net income attributable to ITT Inc.	$ 488.0	$ 519.9	$ 412.2