Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net revenues	$ 2,641.3	$ 2,803.7
Cost of goods sold	(1,898.8)	(1,989.2)
Selling and administrative expenses	(588.1)	(578.0)
Operating income	154.4	236.5
Interest expense	(63.1)	(51.0)
Other income/(expense), net	12.5	(18.0)
Earnings before income taxes	103.8	167.5
Benefit (provision) for income taxes	(51.0)	(20.2)
Earnings from continuing operations	52.8	147.3
Discontinued operations, net of tax	(78.7)	56.4
Net earnings (loss)	(25.9)	203.7
Less: Net earnings from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	(2.8)	(3.1)
Less: Net earnings from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest	(0.5)	(0.7)
Net earnings (loss) attributable to Trane Technologies plc	(29.2)	199.9
Amounts attributable to Trane Technologies plc ordinary shareholders:
Continuing operations	50.0	144.2
Discontinued operations	(79.2)	55.7
Net earnings (loss) attributable to Trane Technologies plc	$ (29.2)	$ 199.9
Basic:
Continuing operations	$ 0.21	$ 0.59
Discontinued operations	(0.33)	0.23
Net earnings (loss)	(0.12)	0.82
Diluted:
Continuing operations	0.21	0.59
Discontinued operations	(0.33)	0.23
Net earnings (loss)	$ (0.12)	$ 0.82
Weighted-average shares outstanding
Basic	239.5	242.5
Diluted	242.3	245.2
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	$ (48.0)	$ (2.0)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0.3	(1.4)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0.3	0.1
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	(0.2)	(0.5)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0.4	(1.8)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(21.3)	0.0
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	11.5	12.9
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax	(3.6)	1.7
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansCurrencyTranslationBeforeTax	5.2	(1.4)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	(2.8)	(3.5)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent	(11.0)	9.7
Other comprehensive income (loss)	(58.6)	5.9
Comprehensive income (loss), net of tax	(84.5)	209.6
Less: Comprehensive income (loss) attributable to noncontrolling interests	(3.4)	(4.2)
Comprehensive income (loss) attributable to Trane Technologies plc	$ (87.9)	$ 205.4