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Financial Instruments (Tables)
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9 Months Ended |
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Sep. 30, 2012
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| Fair Value Disclosures [Abstract] |
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| Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block] |
The following effects of risk-management instruments were recognized in other—net, (income) expense: | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | September 30, | | September 30, | | 2012 | | 2011 | | 2012 | | 2011 | | (Dollars in millions) | Fair value hedges | | | | | | | | Effect from hedged fixed-rate debt | $ | 12.1 |
| | $ | 245.4 |
| | $ | 43.8 |
| | $ | 255.7 |
| Effect from interest rate contracts | (12.1 | ) | | (245.4 | ) | | (43.8 | ) | | (255.7 | ) | Cash flow hedges | | | | | | | | Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss | 2.3 |
| | 2.3 |
| | 6.7 |
| | 6.7 |
| Net gains on foreign currency exchange contracts not designated as hedging instruments | (23.7 | ) | | (51.7 | ) | | (38.5 | ) | | (1.0 | ) |
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| Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
The following tables summarize certain fair value information at September 30, 2012 and December 31, 2011 for assets and liabilities measured at fair value on a recurring basis, as well as the carrying amount and amortized cost of certain other investments: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using | | | Description | Carrying Amount | | Amortized Cost | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Fair Value | | (Dollars in millions) | September 30, 2012 | | | | | | | | | | | | Cash and cash equivalents | $ | 5,319.2 |
| | $ | 5,319.2 |
| | $ | 5,235.3 |
| | $ | 83.9 |
| | $ | | $ | 5,319.2 |
| | | | | | | | | | | | | Short-term investments | | | | | | | | | | | | U.S. government and agencies | $ | 61.0 |
| | $ | 61.0 |
| | $ | 61.0 |
| | $ | | $ | | $ | 61.0 |
| Corporate debt securities | 1,509.1 |
| | 1,507.1 |
| | | | 1,509.1 |
| | | | 1,509.1 |
| Other securities | 10.6 |
| | 10.6 |
| | | | 10.6 |
| | | | 10.6 |
| Short-term investments | $ | 1,580.7 |
| | $ | 1,578.7 |
| | | | | | | | | | | | | | | | | | | | | Noncurrent investments | | | | | | | | | | | | U.S. government and agencies | $ | 1,124.1 |
| | $ | 1,121.1 |
| | $ | 885.7 |
| | $ | 238.4 |
| | $ | | $ | 1,124.1 |
| Corporate debt securities | 2,623.8 |
| | 2,593.2 |
| | | | 2,623.8 |
| | | | 2,623.8 |
| Mortgage-backed | 401.6 |
| | 405.3 |
| | | | 401.6 |
| | | | 401.6 |
| Asset-backed | 676.1 |
| | 692.5 |
| | | | 676.1 |
| | | | 676.1 |
| Other securities | 3.3 |
| | 3.3 |
| | | | 3.3 |
| | | | 3.3 |
| Marketable equity | 183.4 |
| | 83.0 |
| | 183.4 |
| | | | | | 183.4 |
| Equity method and other investments(1) | 212.0 |
| | 212.0 |
| | | | | | | | | Noncurrent investments | $ | 5,224.3 |
| | $ | 5,110.4 |
| | | | | | | | | | | | | | | | | | | | | December 31, 2011 | | | | | | | | | | | | Cash and cash equivalents | $ | 5,922.5 |
| | $ | 5,922.5 |
| | $ | 5,264.6 |
| | $ | 657.9 |
| | $ | | $ | 5,922.5 |
| | | | | | | | | | | | | Short-term investments | | | | | | | | | | | | U.S. government and agencies | $ | 362.3 |
| | $ | 362.3 |
| | $ | 351.3 |
| | $ | 11.0 |
| | $ | | $ | 362.3 |
| Corporate debt securities | 600.7 |
| | 601.1 |
| | | | 600.7 |
| | | | 600.7 |
| Other securities | 11.6 |
| | 11.6 |
| | | | 11.6 |
| | | | 11.6 |
| Short-term investments | $ | 974.6 |
| | $ | 975.0 |
| | | | | | | | | | | | | | | | | | | | | Noncurrent investments | | | | | | | | | | | | U.S. government and agencies | $ | 908.8 |
| | $ | 901.3 |
| | $ | 673.5 |
| | $ | 235.3 |
| | $ | | $ | 908.8 |
| Corporate debt securities | 2,081.3 |
| | 2,093.3 |
| | | | 2,081.3 |
| | | | 2,081.3 |
| Mortgage-backed | 443.8 |
| | 479.1 |
| | | | 443.8 |
| | | | 443.8 |
| Asset-backed | 245.0 |
| | 253.2 |
| | | | 245.0 |
| | | | 245.0 |
| Other securities | 10.0 |
| | 11.9 |
| | | | 8.7 |
| | 1.3 |
| | 10.0 |
| Marketable equity | 180.8 |
| | 107.5 |
| | 180.8 |
| | | | | | 180.8 |
| Equity method and other investments(1) | 160.1 |
| | 160.1 |
| | | | | | | | | Noncurrent investments | $ | 4,029.8 |
| | $ | 4,006.4 |
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| Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using | | | Description | Carrying Amount | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Fair Value | | (Dollars in millions) | Long-term debt, including current portion | | | | | | | | | | September 30, 2012 | $ | (5,520.0 | ) | | $ | | $ | (6,072.2 | ) | | $ | | $ | (6,072.2 | ) | December 31, 2011 | $ | (6,981.5 | ) | | $ | | $ | (7,451.5 | ) | | $ | | $ | (7,451.5 | ) |
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| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using | | | Description | Carrying Amount | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Fair Value | | (Dollars in millions) | | | September 30, 2012 | | | | | | | | | | Risk-management instruments | | | | | | | | | | Interest rate contracts designated as hedging instruments | | | | | | | | | | Sundry | $ | 581.7 |
| | $ | | $ | 581.7 |
| | $ | | $ | 581.7 |
| Foreign exchange contracts not designated as hedging instruments | | | | | | | | | | Other receivables | 7.0 |
| | | | 7.0 |
| | | | 7.0 |
| Other current liabilities | (18.4 | ) | | | | (18.4 | ) | | | | (18.4 | ) | | | | | | | | | | | December 31, 2011 | | | | | | | | | | Risk-management instruments | | | | | | | | | | Interest rate contracts designated as hedging instruments | | | | | | | | | | Other receivables | $ | 6.1 |
| | $ | | $ | 6.1 |
| | $ | | $ | 6.1 |
| Sundry | 531.7 |
| | | | 531.7 |
| | | | 531.7 |
| Foreign exchange contracts not designated as hedging instruments | | | | | | | | | | Other receivables | 16.2 |
| | | | 16.2 |
| | | | 16.2 |
| Other current liabilities | (25.9 | ) | | | | (25.9 | ) | | | | (25.9 | ) |
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| Available-for-sale Securities [Table Text Block] |
A summary of the fair value of available-for-sale securities in an unrealized gain or loss position and the amount of unrealized gains and losses (pretax) in accumulated other comprehensive loss follows: | | | | | | | | | | September 30, 2012 | | December 31, 2011 | | (Dollars in millions) | Unrealized gross gains | $ | 150.6 |
| | $ | 103.0 |
| Unrealized gross losses | 34.7 |
| | 80.0 |
| Fair value of securities in an unrealized gain position | 5,050.6 |
| | 2,498.9 |
| Fair value of securities in an unrealized loss position | 942.3 |
| | 2,164.4 |
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| Gain (Loss) on Investments [Table Text Block] |
Activity related to our available-for-sale investment portfolio was as follows: | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | September 30, | | September 30, | | 2012 | | 2011 | | 2012 | | 2011 | | (Dollars in millions) | Proceeds from sales | $ | 1,698.8 |
| | $ | 775.7 |
| | $ | 5,334.1 |
| | $ | 1,274.2 |
| Realized gross gains on sales | 43.1 |
| | 25.6 |
| | 70.0 |
| | 113.6 |
| Realized gross losses on sales | 2.2 |
| | 2.5 |
| | 7.4 |
| | 7.6 |
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