Guarantor Financial Information (Condensed Consolidating Statements of Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Net revenues	$ 2,722.9		$ 2,639.0		$ 12,350.5
Cost of goods sold	(1,954.8)		(1,912.6)		(8,722.3)
Selling and administrative expenses	(613.1)		(606.4)		(2,523.2)
Operating income	155.0		120.0		1,105.0
Equity earnings (loss) in affiliates, net of tax	0		0		0
Interest expense	(52.0)		(60.6)		(278.8)
Intercompany interest and fees	0		0		0
Other, net	2.2		0.5		3.4
Earnings before income taxes	105.2		59.9		829.6
Benefit (provision) for income taxes	(24.5)		(4.5)		(189.0)
Earnings from continuing operations	80.7		55.4		640.6
Discontinued operations, net of tax	2.9	[1]	39.2	[1]	13.3
Net earnings	83.6		94.6		653.9
Less: Net earnings attributable to noncontrolling interests	(4.6)		(6.6)		(35.1)
Net earnings attributable to Ingersoll-Rand plc	79.0		88.0		618.8
Total comprehensive income (loss)	48.9		9.6		951.9
Less: Total comprehensive (income) loss attributable to noncontrolling interests	(5.9)		(7.8)		(38.4)
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	43.0		1.8		913.5
IR Ireland [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	0		0		0
Cost of goods sold	0		0		0.7
Selling and administrative expenses	(2.1)		(2.6)		(60.0)
Operating income	(2.1)		(2.6)		(59.3)
Equity earnings (loss) in affiliates, net of tax	85.0		92.6		696.2
Interest expense	0		0		0
Intercompany interest and fees	(4.0)		(3.0)		(14.1)
Other, net	0.2		0.3		(3.9)
Earnings before income taxes	79.1		87.3		618.9
Benefit (provision) for income taxes	0		0.7		(0.3)
Earnings from continuing operations	79.1		88.0		618.6
Discontinued operations, net of tax	(0.1)		0		0.2
Net earnings	79.0		88.0		618.8
Less: Net earnings attributable to noncontrolling interests	0		0		0
Net earnings attributable to Ingersoll-Rand plc	79.0		88.0		618.8
Total comprehensive income (loss)	43.0		1.7		913.5
Less: Total comprehensive (income) loss attributable to noncontrolling interests	0		0		0
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	43.0		1.7		913.5
IR Limited [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	0		0		0
Cost of goods sold	0		0		0
Selling and administrative expenses	0		0		(0.1)
Operating income	0		0		(0.1)
Equity earnings (loss) in affiliates, net of tax	86.0		92.6		696.7
Interest expense	0		0		0
Intercompany interest and fees	(0.9)		0		(0.4)
Other, net	0		0		0
Earnings before income taxes	85.1		92.6		696.2
Benefit (provision) for income taxes	0		0		0
Earnings from continuing operations	85.1		92.6		696.2
Discontinued operations, net of tax	0		0		0
Net earnings	85.1		92.6		696.2
Less: Net earnings attributable to noncontrolling interests	0		0		0
Net earnings attributable to Ingersoll-Rand plc	85.1		92.6		696.2
Total comprehensive income (loss)	49.1		6.3		1,050.3
Less: Total comprehensive (income) loss attributable to noncontrolling interests	0		0		0.4
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	49.1		6.3		1,050.7
IR International [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	0		0		0
Cost of goods sold	0		0		0
Selling and administrative expenses	0		0		0
Operating income	0		0		0
Equity earnings (loss) in affiliates, net of tax	90.7		108.3		791.0
Interest expense	(4.0)		(4.0)		(15.8)
Intercompany interest and fees	(5.7)		(8.8)		(33.8)
Other, net	3.7		0.6		1.6
Earnings before income taxes	84.7		96.1		743.0
Benefit (provision) for income taxes	0		0		0
Earnings from continuing operations	84.7		96.1		743.0
Discontinued operations, net of tax	0		0		0
Net earnings	84.7		96.1		743.0
Less: Net earnings attributable to noncontrolling interests	0		0		0
Net earnings attributable to Ingersoll-Rand plc	84.7		96.1		743.0
Total comprehensive income (loss)	85.0		96.4		744.2
Less: Total comprehensive (income) loss attributable to noncontrolling interests	0		0		0
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	85.0		96.4		744.2
IR Global [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	0		0		0
Cost of goods sold	0		0		0
Selling and administrative expenses	(0.1)		(0.4)		(1.1)
Operating income	(0.1)		(0.4)		(1.1)
Equity earnings (loss) in affiliates, net of tax	(19.5)		153.9		1,008.0
Interest expense	(32.0)		(39.7)		(196.4)
Intercompany interest and fees	(1.1)		(9.6)		(34.0)
Other, net	0		0.3		0.8
Earnings before income taxes	(52.7)		104.5		777.3
Benefit (provision) for income taxes	7.8		0		0
Earnings from continuing operations	(44.9)		104.5		777.3
Discontinued operations, net of tax	0		0		0
Net earnings	(44.9)		104.5		777.3
Less: Net earnings attributable to noncontrolling interests	0		0		0
Net earnings attributable to Ingersoll-Rand plc	(44.9)		104.5		777.3
Total comprehensive income (loss)	(44.8)		95.1		789.0
Less: Total comprehensive (income) loss attributable to noncontrolling interests	0		0		0
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	(44.8)		95.1		789.0
IR New Jersey [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	229.8		225.5		922.1
Cost of goods sold	(133.5)		(136.9)		(564.9)
Selling and administrative expenses	(106.3)		(90.9)		(355.9)
Operating income	(10.0)		(2.3)		1.3
Equity earnings (loss) in affiliates, net of tax	9.4		38.2		152.4
Interest expense	(12.3)		(12.6)		(76.2)
Intercompany interest and fees	(24.8)		(0.5)		(13.7)
Other, net	13.9		(2.7)		137.4
Earnings before income taxes	(23.8)		20.1		201.2
Benefit (provision) for income taxes	3.7		7.3		(1.3)
Earnings from continuing operations	(20.1)		27.4		199.9
Discontinued operations, net of tax	(6.5)		(25.9)		(198.9)
Net earnings	(26.6)		1.5		1.0
Less: Net earnings attributable to noncontrolling interests	0		0		0
Net earnings attributable to Ingersoll-Rand plc	(26.6)		1.5		1.0
Total comprehensive income (loss)	166.9		6.9		399.6
Less: Total comprehensive (income) loss attributable to noncontrolling interests	0		0		0
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	166.9		6.9		399.6
Other Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	2,493.1		2,413.5		11,428.4
Cost of goods sold	(1,821.3)		(1,775.7)		(8,158.1)
Selling and administrative expenses	(504.6)		(512.5)		(2,106.1)
Operating income	167.2		125.3		1,164.2
Equity earnings (loss) in affiliates, net of tax	57.9		97.9		743.9
Interest expense	(3.7)		(4.3)		9.6
Intercompany interest and fees	36.5		21.9		96.0
Other, net	(15.6)		12.0		(129.4)
Earnings before income taxes	242.3		252.8		1,884.3
Benefit (provision) for income taxes	(36.0)		(12.5)		(187.4)
Earnings from continuing operations	206.3		240.3		1,696.9
Discontinued operations, net of tax	9.5		65.1		212.0
Net earnings	215.8		305.4		1,908.9
Less: Net earnings attributable to noncontrolling interests	(4.5)		(16.6)		(38.1)
Net earnings attributable to Ingersoll-Rand plc	211.3		288.8		1,870.8
Total comprehensive income (loss)	(12.4)		228.2		1,855.2
Less: Total comprehensive (income) loss attributable to noncontrolling interests	(5.8)		(17.8)		(41.8)
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	(18.2)		210.4		1,813.4
Consolidating Adjustments [Member]
Condensed Financial Statements, Captions [Line Items]
Net revenues	0		0		0
Cost of goods sold	0		0		0
Selling and administrative expenses	0		0		0
Operating income	0		0		0
Equity earnings (loss) in affiliates, net of tax	(309.5)		(583.5)		(4,088.2)
Interest expense	0		0		0
Intercompany interest and fees	0		0		0
Other, net	0		(10.0)		(3.1)
Earnings before income taxes	(309.5)		(593.5)		(4,091.3)
Benefit (provision) for income taxes	0		0		0
Earnings from continuing operations	(309.5)		(593.5)		(4,091.3)
Discontinued operations, net of tax	0		0		0
Net earnings	(309.5)		(593.5)		(4,091.3)
Less: Net earnings attributable to noncontrolling interests	(0.1)		10.0		3.0
Net earnings attributable to Ingersoll-Rand plc	(309.6)		(583.5)		(4,088.3)
Total comprehensive income (loss)	(237.9)		(425.0)		(4,799.9)
Less: Total comprehensive (income) loss attributable to noncontrolling interests	(0.1)		10.0		3.0
Total comprehensive income (loss) attributable to Ingersoll-Rand plc	$ (238.0)		$ (415.0)		$ (4,796.9)

[1] Included in Allegion, net of tax for the three months ended March 31, 2013 are spin costs of