Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net revenues	$ 4,357.7	$ 3,908.4	$ 7,742.2	$ 6,909.0
Cost of goods sold	(2,964.1)	(2,653.1)	(5,384.3)	(4,779.2)
Selling and administrative expenses	(753.3)	(697.7)	(1,474.2)	(1,357.2)
Operating income	640.3	557.6	883.7	772.6
Interest expense	(50.3)	(54.1)	(123.2)	(108.1)
Other income/(expense), net	(3.5)	(11.5)	(7.5)	(16.2)
Earnings before income taxes	586.5	492.0	753.0	648.3
Provision for income taxes	(128.0)	(138.1)	(161.0)	(166.8)
Earnings from continuing operations	458.5	353.9	592.0	481.5
Discontinued operations, net of tax	(5.9)	8.3	(15.3)	1.8
Net earnings	452.6	362.2	576.7	483.3
Less: Net earnings attributable to noncontrolling interests	(4.5)	(3.6)	(8.2)	(7.6)
Net earnings attributable to Ingersoll-Rand plc	448.1	358.6	568.5	475.7
Amounts attributable to Ingersoll-Rand plc ordinary shareholders:
Continuing operations	454.0	350.3	583.8	473.9
Discontinued operations	(5.9)	8.3	(15.3)	1.8
Net earnings attributable to Ingersoll-Rand plc	$ 448.1	$ 358.6	$ 568.5	$ 475.7
Basic:
Continuing operations	$ 1.83	$ 1.37	$ 2.35	$ 1.84
Discontinued operations	(0.02)	0.03	(0.07)	0.00
Net earnings	1.81	1.40	2.28	1.84
Diluted:
Continuing operations	1.82	1.35	2.32	1.82
Discontinued operations	(0.03)	0.03	(0.06)	0.00
Net earnings	$ 1.79	$ 1.38	$ 2.26	$ 1.82
Weighted-average shares outstanding
Basic	247.5	256.4	248.9	257.9
Diluted	250.1	259.7	251.6	261.1
Total comprehensive income	$ 171.6	$ 539.1	$ 448.2	$ 779.3
Less: Total comprehensive income attributable to noncontrolling interests	1.4	4.3	5.5	6.8
Total comprehensive income attributable to Ingersoll-Rand plc	$ 170.2	$ 534.8	$ 442.7	$ 772.5
Dividends declared per ordinary share	$ 0.98	$ 0.40	$ 1.43	$ 0.80