Commitments and Contingencies (Schedule of Asbestos-Related Balances) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Accrued expenses and other current liabilities	$ 1,548.9	$ 1,607.8
Other noncurrent liabilities	1,454.3	1,494.5
Other current assets	615.2	594.1
Other noncurrent assets	1,446.1	1,488.8
Asbestos [Member]
Accrued expenses and other current liabilities	69.7	69.7
Other noncurrent liabilities	847.9	868.6
Total asbestos-related liabilities	917.6	938.3
Other current assets	23.3	23.5
Other noncurrent assets	299.5	298.9
Total asset for probable asbestos-related insurance recoveries	322.8	322.4
IR New Jersey [Member]
Other current assets	179.2	176.0
Other noncurrent assets	912.3	906.4
IR New Jersey [Member] | Asbestos [Member]
Total asset for probable asbestos-related insurance recoveries	126.0	126.9
Trane [Member] | Asbestos [Member]
Total asset for probable asbestos-related insurance recoveries	$ 196.8	$ 195.5