Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Current assets:
Cash and cash equivalents	$ 1,160.7	$ 1,014.3	$ 876.7	$ 550.2
Accounts and notes receivable, net	2,145.8	2,224.2
Inventories	1,282.0	1,288.5
Other current assets	593.2	592.2
Assets held-for-sale	0.9	1,168.2
Accounts and notes receivable affiliates	0	0
Total current assets	5,182.6	6,287.4
Investment in affiliates	0	0
Property, plant and equipment, net	1,640.6	1,669.0
Intangible assets, net	10,442.2	10,629.4
Other noncurrent assets	1,488.8	1,405.1
Total assets	18,754.2	19,990.9
Current liabilities:
Accounts payable and accruals	3,361.2	3,348.1
Short-term borrowings and current maturities of long-term debt	763.3	761.6
Liabilities held-for-sale	0	176.2
Accounts and note payable affiliates	0	0
Total current liabilities	4,124.5	4,285.9
Long-term debt	2,879.3	2,922.3
Note payable affiliate	0	0
Other noncurrent liabilities	4,734.7	4,706.9
Total liabilities	11,738.5	11,915.1
Temporary equity	3.3	16.7
Equity:
Total equity	7,012.4	8,059.1	7,175.7	6,762.1
Total liabilities and equity	18,754.2	19,990.9
IR Ireland [Member]
Current assets:
Cash and cash equivalents	0	0.4	0.6	0
Accounts and notes receivable, net	0	0.2
Inventories	0	0
Other current assets	0.1	0.1
Assets held-for-sale	0	0
Accounts and notes receivable affiliates	137.5	93.4
Total current assets	137.6	94.1
Investment in affiliates	8,179.9	7,992.3
Property, plant and equipment, net	0.1	0.1
Intangible assets, net	0	0
Other noncurrent assets	0	0
Total assets	8,317.6	8,086.5
Current liabilities:
Accounts payable and accruals	51.7	3.6
Short-term borrowings and current maturities of long-term debt	0	0
Liabilities held-for-sale	0	0
Accounts and note payable affiliates	1,250.2	7.1
Total current liabilities	1,301.9	10.7
Long-term debt	0	0
Note payable affiliate	0	0
Other noncurrent liabilities	0	0
Total liabilities	1,301.9	10.7
Temporary equity	3.3	16.7
Equity:
Total equity	7,012.4	8,059.1
Total liabilities and equity	8,317.6	8,086.5
IR Limited [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	1.1
Inventories	0	0
Other current assets	0	0
Assets held-for-sale	0	0
Accounts and notes receivable affiliates	3,013.3	2,987.3
Total current assets	3,013.3	2,988.4
Investment in affiliates	6,254.6	5,877.9
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Other noncurrent assets	0	0
Total assets	9,267.9	8,866.3
Current liabilities:
Accounts payable and accruals	0	0
Short-term borrowings and current maturities of long-term debt	0	0
Liabilities held-for-sale	0	0
Accounts and note payable affiliates	40.3	10.4
Total current liabilities	40.3	10.4
Long-term debt	0	0
Note payable affiliate	0	0
Other noncurrent liabilities	0	8.3
Total liabilities	40.3	18.7
Temporary equity	0	0
Equity:
Total equity	9,227.6	8,847.6
Total liabilities and equity	9,267.9	8,866.3
IR International [Member]
Current assets:
Cash and cash equivalents	0	12.0	0	0
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0.1	4.0
Assets held-for-sale	0	0
Accounts and notes receivable affiliates	17.0	17.0
Total current assets	17.1	33.0
Investment in affiliates	20,265.3	19,131.2
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Other noncurrent assets	0.7	0.9
Total assets	20,283.1	19,165.1
Current liabilities:
Accounts payable and accruals	3.9	1.8
Short-term borrowings and current maturities of long-term debt	0	0
Liabilities held-for-sale	0	0
Accounts and note payable affiliates	4,812.5	4,688.4
Total current liabilities	4,816.4	4,690.2
Long-term debt	299.6	299.4
Note payable affiliate	10,789.4	10,789.4
Other noncurrent liabilities	3.8	3.9
Total liabilities	15,909.2	15,782.9
Temporary equity	0	0
Equity:
Total equity	4,373.9	3,382.2
Total liabilities and equity	20,283.1	19,165.1
IR Global Holding [Member]
Current assets:
Cash and cash equivalents	241.8	99.9	81.8	1.1
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0.5	0.4
Assets held-for-sale	0	0
Accounts and notes receivable affiliates	2,465.4	3,611.4
Total current assets	2,707.7	3,711.7
Investment in affiliates	17,420.3	15,278.0
Property, plant and equipment, net	0.2	0.2
Intangible assets, net	0	0
Other noncurrent assets	12.7	18.4
Total assets	20,140.9	19,008.3
Current liabilities:
Accounts payable and accruals	50.8	49.3
Short-term borrowings and current maturities of long-term debt	581.0	857.6
Liabilities held-for-sale	0	0
Accounts and note payable affiliates	7,352.8	7,107.8
Total current liabilities	7,984.6	8,014.7
Long-term debt	2,004.2	2,004.1
Note payable affiliate	0	0
Other noncurrent liabilities	0	0
Total liabilities	9,988.8	10,018.8
Temporary equity	0	0
Equity:
Total equity	10,152.1	8,989.5
Total liabilities and equity	20,140.9	19,008.3
IR New Jersey [Member]
Current assets:
Cash and cash equivalents	77.8	135.5	175.5	8.6
Accounts and notes receivable, net	166.7	202.8
Inventories	73.3	79.8
Other current assets	176.0	203.9
Assets held-for-sale	0	3.3
Accounts and notes receivable affiliates	4,829.9	589.7
Total current assets	5,323.7	1,215.0
Investment in affiliates	7,922.5	8,769.2
Property, plant and equipment, net	217.0	210.2
Intangible assets, net	83.9	84.2
Other noncurrent assets	906.4	821.7
Total assets	14,453.5	11,100.3
Current liabilities:
Accounts payable and accruals	433.1	443.1
Short-term borrowings and current maturities of long-term debt	351.9	351.0
Liabilities held-for-sale	0	0
Accounts and note payable affiliates	9,455.3	5,065.9
Total current liabilities	10,240.3	5,860.0
Long-term debt	372.6	381.1
Note payable affiliate	0	0
Other noncurrent liabilities	1,894.4	1,770.8
Total liabilities	12,507.3	8,011.9
Temporary equity	0	0
Equity:
Total equity	1,946.2	3,088.4
Total liabilities and equity	14,453.5	11,100.3
Other Subsidiaries [Member]
Current assets:
Cash and cash equivalents	841.1	766.5	618.8	540.5
Accounts and notes receivable, net	1,979.1	2,020.1
Inventories	1,208.7	1,208.7
Other current assets	416.5	383.8
Assets held-for-sale	0.9	1,164.9
Accounts and notes receivable affiliates	21,001.7	14,247.0
Total current assets	25,448.0	19,791.0
Investment in affiliates	84,841.3	77,272.1
Property, plant and equipment, net	1,423.3	1,458.5
Intangible assets, net	10,358.3	10,545.2
Other noncurrent assets	569.0	564.1
Total assets	122,639.9	109,630.9
Current liabilities:
Accounts payable and accruals	2,821.7	2,850.3
Short-term borrowings and current maturities of long-term debt	70.2	82.3
Liabilities held-for-sale	0	176.2
Accounts and note payable affiliates	8,140.2	5,309.5
Total current liabilities	11,032.1	8,418.3
Long-term debt	202.9	237.7
Note payable affiliate	0	0
Other noncurrent liabilities	2,836.5	2,923.9
Total liabilities	14,071.5	11,579.9
Temporary equity	0	0
Equity:
Total equity	108,568.4	98,051.0
Total liabilities and equity	122,639.9	109,630.9
Consolidating Adjustments [Member]
Current assets:
Cash and cash equivalents	0	0
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0	0
Assets held-for-sale	0	0
Accounts and notes receivable affiliates	(31,464.8)	(21,545.8)
Total current assets	(31,464.8)	(21,545.8)
Investment in affiliates	(144,883.9)	(134,320.7)
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Other noncurrent assets	0	0
Total assets	(176,348.7)	(155,866.5)
Current liabilities:
Accounts payable and accruals	0	0
Short-term borrowings and current maturities of long-term debt	(239.8)	(529.3)
Liabilities held-for-sale	0	0
Accounts and note payable affiliates	(31,051.3)	(22,189.1)
Total current liabilities	(31,291.1)	(22,718.4)
Long-term debt	0	0
Note payable affiliate	(10,789.4)	(10,789.4)
Other noncurrent liabilities	0	0
Total liabilities	(42,080.5)	(33,507.8)
Temporary equity	0	0
Equity:
Total equity	(134,268.2)	(122,358.7)
Total liabilities and equity	$ (176,348.7)	$ (155,866.5)