Segment Reporting - Segment Results (Details) - USD ($)		3 Months Ended	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting [Abstract]
Revenues			$ 5,916,300,000	$ 5,152,400,000	$ 3,973,200,000
Adjusted EBITDA			1,561,500,000	1,325,100,000	980,000,000.0
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes [Abstract]
Interest expense			103,200,000	87,700,000	111,100,000
Depreciation and amortization expense			432,800,000	422,100,000	412,500,000
Impairment of other intangible assets		$ 19,900,000	0	0	19,900,000
Restructuring and related business transformation costs			32,300,000	18,800,000	88,000,000.0
Acquisition related expenses and non-cash charges			38,700,000	55,300,000	93,300,000
Stock-based compensation			78,900,000	87,200,000	47,500,000
Foreign currency transaction losses (gains), net			(5,900,000)	(12,000,000.0)	18,600,000
Loss on extinguishment of debt	$ 9,000,000		1,100,000	9,000,000.0	2,000,000.0
Adjustments to LIFO inventories			36,100,000	33,200,000	39,800,000
Income (Loss) Before Income Taxes			742,200,000	513,000,000.0	(45,400,000)
Depreciation of rental equipment			3,400,000	4,100,000	2,100,000
Restructuring Costs [Abstract]
Restructuring charges			29,300,000	13,400,000	83,000,000.0
Facility reorganization, relocation and other costs			3,000,000.0	3,100,000	2,100,000
Other, net			0	2,300,000	2,900,000
Total restructuring and related business transformation costs			32,300,000	18,800,000	88,000,000.0
Stock-based compensation expense recognized in continuing operations			78,900,000	87,200,000	47,500,000
Increase (decrease) in stock-based compensation expense due to costs associated with employer taxes			6,700,000	8,700,000	(500,000)
LIFO reserve changes			36,100,000	33,200,000	4,200,000
Total capital expenditures			94,600,000	64,100,000	42,000,000.0
Total identifiable assets			14,765,900,000	15,154,500,000
Ingersoll Rand Industrial
Restructuring Costs [Abstract]
Reduction in carrying value of inventories					35,600,000
Industrial Technologies and Services
Segment Reporting [Abstract]
Revenues			4,705,100,000	4,161,000,000
Precision and Science Technologies
Segment Reporting [Abstract]
Revenues			1,211,200,000	991,400,000
Operating segments | Industrial Technologies and Services
Segment Reporting [Abstract]
Revenues			4,705,100,000	4,161,000,000	3,248,200,000
Adjusted EBITDA			1,214,000,000	1,033,700,000	759,800,000
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes [Abstract]
Depreciation and amortization expense			294,700,000	296,600,000	306,000,000.0
Restructuring Costs [Abstract]
Total capital expenditures			66,300,000	53,100,000	32,200,000
Total identifiable assets			9,204,700,000	9,101,700,000
Operating segments | Precision and Science Technologies
Segment Reporting [Abstract]
Revenues			1,211,200,000	991,400,000	725,000,000.0
Adjusted EBITDA			347,500,000	291,400,000	220,200,000
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes [Abstract]
Depreciation and amortization expense			133,600,000	108,300,000	102,400,000
Restructuring Costs [Abstract]
Total capital expenditures			17,700,000	10,700,000	9,800,000
Total identifiable assets			3,540,400,000	3,572,200,000
Corporate expenses not allocated to segments
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes [Abstract]
Corporate expenses not allocated to segments			126,700,000	133,200,000	101,900,000
Depreciation and amortization expense			4,500,000	17,200,000	4,100,000
Restructuring Costs [Abstract]
Total capital expenditures			10,600,000	300,000	0
Total identifiable assets			2,020,800,000	2,465,000,000
Segment reconciling items
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes [Abstract]
Interest expense			103,200,000	87,700,000	111,100,000
Depreciation and amortization expense			429,400,000	418,000,000.0	410,400,000
Impairment of other intangible assets			0	0	19,900,000
Restructuring and related business transformation costs			32,300,000	18,800,000	88,000,000.0
Acquisition related expenses and non-cash charges			40,700,000	65,200,000	181,500,000
Stock-based compensation			85,600,000	95,900,000	47,000,000.0
Foreign currency transaction losses (gains), net			(5,900,000)	(12,000,000.0)	18,600,000
Loss on extinguishment of debt			1,100,000	9,000,000.0	2,000,000.0
Adjustments to LIFO inventories			36,100,000	33,200,000	39,800,000
Gain on settlement of post-acquisition contingencies			(6,200,000)	(30,100,000)	0
Other adjustments			(23,700,000)	(6,800,000)	5,200,000
Restructuring Costs [Abstract]
Total restructuring and related business transformation costs			32,300,000	18,800,000	$ 88,000,000.0
Total identifiable assets			$ 0	$ 15,600,000