CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Total Ingersoll Rand Inc. Stockholders’ Equity	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests
Balance at beginning of period (in shares) at Dec. 31, 2024			430.7
Balance at beginning of period at Dec. 31, 2024	$ 10,245.3	$ 10,179.0	$ 4.3	$ 9,633.6	$ 2,503.5	$ (468.5)	$ (1,493.9)	$ 66.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	188.4	186.5			186.5			1.9
Dividends declared	(8.1)	(8.1)			(8.1)
Issuance of common stock for stock-based compensation plans (in shares)			0.7
Issuance of common stock for stock-based compensation plans	5.1	5.1		5.1
Purchases of treasury stock	(10.0)	(10.0)					(10.0)
Issuance of treasury stock for stock-based compensation plans	0.1	0.1		(1.2)			1.3
Stock-based compensation	14.2	14.2		14.2
Other comprehensive income (loss), net of tax	118.7	118.0				118.0		0.7
Balance at end of period (in shares) at Mar. 31, 2025			431.4
Balance at end of period at Mar. 31, 2025	10,553.7	10,484.8	$ 4.3	9,651.7	2,681.9	(350.5)	(1,502.6)	68.9
Balance at beginning of period (in shares) at Dec. 31, 2025			431.8
Balance at beginning of period at Dec. 31, 2025	10,154.0	10,089.8	$ 4.3	9,699.9	3,053.1	(148.3)	(2,519.2)	64.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	193.8	192.1			192.1			1.7
Dividends declared	(7.8)	(7.8)			(7.8)
Issuance of common stock for stock-based compensation plans (in shares)			1.0
Issuance of common stock for stock-based compensation plans	15.2	15.2		15.2
Purchases of treasury stock	(89.5)	(89.5)					(89.5)
Issuance of treasury stock for stock-based compensation plans	0.8	0.8		(1.6)			2.4
Stock-based compensation	15.9	15.9		15.9
Other comprehensive income (loss), net of tax	(42.6)	(41.4)				(41.4)		(1.2)
Balance at end of period (in shares) at Mar. 31, 2026			432.8
Balance at end of period at Mar. 31, 2026	$ 10,239.8	$ 10,175.1	$ 4.3	$ 9,729.4	$ 3,237.4	$ (189.7)	$ (2,606.3)	$ 64.7