Guarantor Financial Information (Condensed Consolidating Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 929.6	$ 1,160.7	$ 1,403.8	$ 1,014.3
Accounts and notes receivable, net	2,320.9	2,135.6
Inventories	1,462.1	1,278.3
Other current assets	517.0	613.9
Accounts and notes receivable affiliates	0	0
Total current assets	5,229.6	5,188.5
Investment in affiliates	0	0
Property, plant and equipment, net	1,618.6	1,639.4
Intangible assets, net	10,343.4	10,437.6
Other noncurrent assets	1,468.7	1,488.7
Total assets	18,660.3	18,754.2
Current liabilities:
Accounts payable and accruals	3,301.5	3,361.2
Short-term borrowings and current maturities of long-term debt	1,024.6	763.3
Accounts and note payable affiliates	0	0
Total current liabilities	4,326.1	4,124.5
Long-term debt	2,271.6	2,879.3
Note payable affiliate	0	0
Other noncurrent liabilities	4,532.6	4,734.7
Total liabilities	11,130.3	11,738.5
Temporary equity	0	3.3
Equity:
Total equity	7,530.0	7,012.4	7,678.7	8,059.1
Total liabilities and equity	18,660.3	18,754.2
IR Ireland [Member]
Current assets:
Cash and cash equivalents	0	0	0	0.4
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0.4	0.1
Accounts and notes receivable affiliates	398.1	137.5
Total current assets	398.5	137.6
Investment in affiliates	8,691.5	8,179.9
Property, plant and equipment, net	0.1	0.1
Intangible assets, net	0	0
Other noncurrent assets	1.2	0
Total assets	9,091.3	8,317.6
Current liabilities:
Accounts payable and accruals	7.9	51.7
Short-term borrowings and current maturities of long-term debt	0	0
Accounts and note payable affiliates	1,553.4	1,250.2
Total current liabilities	1,561.3	1,301.9
Long-term debt	0	0
Note payable affiliate	0	0
Other noncurrent liabilities	0	0
Total liabilities	1,561.3	1,301.9
Temporary equity	0	3.3
Equity:
Total equity	7,530.0	7,012.4
Total liabilities and equity	9,091.3	8,317.6
IR Limited [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0	0
Accounts and notes receivable affiliates	3,013.0	3,013.3
Total current assets	3,013.0	3,013.3
Investment in affiliates	6,972.0	6,254.6
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Other noncurrent assets	0	0
Total assets	9,985.0	9,267.9
Current liabilities:
Accounts payable and accruals	0	0
Short-term borrowings and current maturities of long-term debt	0	0
Accounts and note payable affiliates	41.8	40.3
Total current liabilities	41.8	40.3
Long-term debt	0	0
Note payable affiliate	0	0
Other noncurrent liabilities	0	0
Total liabilities	41.8	40.3
Temporary equity	0	0
Equity:
Total equity	9,943.2	9,227.6
Total liabilities and equity	9,985.0	9,267.9
IR International [Member]
Current assets:
Cash and cash equivalents	0	0	0	12.0
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	2.3	0.1
Accounts and notes receivable affiliates	17.0	17.0
Total current assets	19.3	17.1
Investment in affiliates	20,919.5	20,206.3
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Other noncurrent assets	0.5	0.7
Total assets	20,939.3	20,224.1
Current liabilities:
Accounts payable and accruals	5.6	3.9
Short-term borrowings and current maturities of long-term debt	0	0
Accounts and note payable affiliates	4,857.7	4,812.5
Total current liabilities	4,863.3	4,816.4
Long-term debt	299.7	299.6
Note payable affiliate	10,789.4	10,789.4
Other noncurrent liabilities	3.8	3.8
Total liabilities	15,956.2	15,909.2
Temporary equity	0	0
Equity:
Total equity	4,983.1	4,314.9
Total liabilities and equity	20,939.3	20,224.1
IR Global [Member]
Current assets:
Cash and cash equivalents	0	241.8	174.0	99.9
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0.3	0.5
Accounts and notes receivable affiliates	2,213.9	2,465.4
Total current assets	2,214.2	2,707.7
Investment in affiliates	18,270.7	17,362.2
Property, plant and equipment, net	0.2	0.2
Intangible assets, net	0	0
Other noncurrent assets	11.0	12.7
Total assets	20,496.1	20,082.8
Current liabilities:
Accounts payable and accruals	40.4	50.8
Short-term borrowings and current maturities of long-term debt	664.0	581.0
Accounts and note payable affiliates	7,458.0	7,352.8
Total current liabilities	8,162.4	7,984.6
Long-term debt	1,404.3	2,004.2
Note payable affiliate	0	0
Other noncurrent liabilities	0	0
Total liabilities	9,566.7	9,988.8
Temporary equity	0	0
Equity:
Total equity	10,929.4	10,094.0
Total liabilities and equity	20,496.1	20,082.8
IR New Jersey [Member]
Current assets:
Cash and cash equivalents	19.4	77.8	370.8	135.5
Accounts and notes receivable, net	138.0	166.7
Inventories	87.3	73.3
Other current assets	140.6	176.0
Accounts and notes receivable affiliates	7,748.6	4,829.9
Total current assets	8,133.9	5,323.7
Investment in affiliates	8,151.7	7,921.1
Property, plant and equipment, net	238.7	217.0
Intangible assets, net	83.8	83.9
Other noncurrent assets	952.9	906.4
Total assets	17,561.0	14,452.1
Current liabilities:
Accounts payable and accruals	463.5	433.1
Short-term borrowings and current maturities of long-term debt	351.1	351.9
Accounts and note payable affiliates	12,363.6	9,455.3
Total current liabilities	13,178.2	10,240.3
Long-term debt	364.7	372.6
Note payable affiliate	0	0
Other noncurrent liabilities	1,739.6	1,894.4
Total liabilities	15,282.5	12,507.3
Temporary equity	0	0
Equity:
Total equity	2,278.5	1,944.8
Total liabilities and equity	17,561.0	14,452.1
Other Subsidiaries [Member]
Current assets:
Cash and cash equivalents	910.2	841.1	859.0	766.5
Accounts and notes receivable, net	2,182.9	1,968.9
Inventories	1,374.8	1,205.0
Other current assets	373.4	437.2
Accounts and notes receivable affiliates	23,176.6	19,993.4
Total current assets	28,017.9	24,445.6
Investment in affiliates	90,604.3	89,195.5
Property, plant and equipment, net	1,379.6	1,422.1
Intangible assets, net	10,259.6	10,353.7
Other noncurrent assets	503.1	568.9
Total assets	130,764.5	125,985.8
Current liabilities:
Accounts payable and accruals	2,784.1	2,821.7
Short-term borrowings and current maturities of long-term debt	9.5	70.2
Accounts and note payable affiliates	9,929.2	7,131.9
Total current liabilities	12,722.8	10,023.8
Long-term debt	202.9	202.9
Note payable affiliate	0	0
Other noncurrent liabilities	2,789.2	2,836.5
Total liabilities	15,714.9	13,063.2
Temporary equity	0	0
Equity:
Total equity	115,049.6	112,922.6
Total liabilities and equity	130,764.5	125,985.8
Consolidating Adjustments [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories	0	0
Other current assets	0	0
Accounts and notes receivable affiliates	(36,567.2)	(30,456.5)
Total current assets	(36,567.2)	(30,456.5)
Investment in affiliates	(153,609.7)	(149,119.6)
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Other noncurrent assets	0	0
Total assets	(190,176.9)	(179,576.1)
Current liabilities:
Accounts payable and accruals	0	0
Short-term borrowings and current maturities of long-term debt	0	(239.8)
Accounts and note payable affiliates	(36,203.7)	(30,043.0)
Total current liabilities	(36,203.7)	(30,282.8)
Long-term debt	0	0
Note payable affiliate	(10,789.4)	(10,789.4)
Other noncurrent liabilities	0	0
Total liabilities	(46,993.1)	(41,072.2)
Temporary equity	0	0
Equity:
Total equity	(143,183.8)	(138,503.9)
Total liabilities and equity	$ (190,176.9)	$ (179,576.1)