Long-Term Incentive - ESPP (Details) - ITT 2023 Employee Stock Purchase Plan shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Stock Ownership Plan (ESOP), Plan Description	We sponsor the ITT Inc. 2023 Employee Stock Purchase Plan (2023 ESPP), pursuant to which eligible employees may elect to contribute from 1% to 10% of their eligible compensation, which includes after-tax base salary and annual bonus, subject to certain income limits, to purchase shares of ITT's common stock.
Employee Stock Ownership Plan (ESOP), Shares in ESOP | shares	0.5
Employee Stock Ownership Plan (ESOP), Compensation Expense | $	$ 0.0