Cover - shares	3 Months Ended
	Mar. 31, 2022	Apr. 29, 2022
Entity Addresses [Line Items]
Entity Central Index Key	0001699150
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-38095
Entity Registrant Name	Ingersoll Rand Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-2393770
Entity Address, Address Line One	525 Harbour Place Drive, Suite 600
Entity Address, City or Town	Davidson
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28036
City Area Code	704
Local Phone Number	655-4000
Title of 12(b) Security	Common Stock, $0.01 Par Value per share
Trading Symbol	IR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		405,929,871
Former Address
Entity Addresses [Line Items]
Entity Address, Address Line One	800-A Beaty Street
Entity Address, City or Town	Davidson
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28036