Business Segment Information (Summary of Operations by Reportable Segments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Net revenues	$ 3,542.9		$ 3,398.4		$ 6,265.9		$ 6,037.4
Segment operating income	519.4		451.0		729.7		623.4
Operating income	463.3		387.5		618.3		507.6
Climate [Member]
Net revenues	2,748.9		2,635.5		4,789.7		4,594.2
Segment operating income	389.3	[1]	330.1	[1]	520.3	[1]	401.7
Industrial [Member]
Net revenues	794.0		762.9		1,476.2		1,443.2
Segment operating income	130.1		120.9		209.4		221.7
Unallocated Amount to Segment [Member]
Unallocated corporate expense	$ (56.1)		$ (63.5)		$ 111.4		$ 115.8

[1] Three months endedSix months endedIn millions2014 2013 2014 2013Net revenues Climate$2,748.9 $2,635.5 $4,789.7 $4,594.2Industrial794.0 762.9 1,476.2 1,443.2Total$3,542.9 $3,398.4 $6,265.9 $6,037.4Segment operating income Climate$389.3 $330.1 $520.3 $401.7Industrial130.1 120.9 209.4 221.7Total$519.4 $451.0 $729.7 $623.4Reconciliation to Operating income Unallocated corporate expense(56.1) (63.5) (111.4) (115.8)Operating income$463.3 $387.5 $618.3 $507.6