Business Combinations, Inventories (Details) $ in Millions	Feb. 29, 2020 USD ($)
Ingersoll Rand Industrial [Member]
Inventories [Abstract]
Preliminary fair value step-up of inventory	$ 102.3

The step up adjustment of inventory to fair value recognized as of the acquisition date.

No definition available.

Name:	ir_BusinessCombinationStepUpAdjustmentOfInventoryToFairValue
Namespace Prefix:	ir_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant