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Financial Instruments (Tables)
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12 Months Ended |
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Dec. 31, 2013
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| Fair Value Disclosures [Abstract] |
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| Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] |
The table below summarizes the contractual maturities of our investments in debt securities measured at fair value as of December 31, 2013: | | | | | | | | | | | | | | | | | | | | | | Maturities by Period | | Total | | Less Than 1 Year | | 1-5 Years | | 6-10 Years | | More Than 10 Years | Fair value of debt securities | $ | 8,400.2 |
| | $ | 1,210.8 |
| | $ | 5,977.4 |
| | $ | 471.3 |
| | $ | 740.7 |
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| Schedule of Derivatives Instruments 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: | | | | | | | | | | | | | | 2013 | | 2012 | | 2011 | Fair value hedges: | | | | | | Effect from hedged fixed-rate debt | $ | (308.2 | ) | | $ | 51.5 |
| | $ | 259.6 |
| Effect from interest rate contracts | 308.2 |
| | (51.5 | ) | | (259.6 | ) | Cash flow hedges: | | | | | | Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss | 9.0 |
| | 9.0 |
| | 9.0 |
| Net (gains) losses on foreign currency exchange contracts not designated as hedging instruments | 15.4 |
| | (35.8 | ) | | 97.4 |
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| Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
The following tables summarize certain fair value information at December 31 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 | December 31, 2013 | | | | | | | | | | | | Cash and cash equivalents | $ | 3,830.2 |
| | $ | 3,830.2 |
| | $ | 3,772.6 |
| | $ | 57.6 |
| | $ | | $ | 3,830.2 |
| Short-term investments: | | | | | | | | | | | | U.S. government and agencies | $ | 276.4 |
| | $ | 276.6 |
| | $ | 276.4 |
| | $ | | $ | | $ | 276.4 |
| Corporate debt securities | 931.7 |
| | 929.8 |
| | | | 931.7 |
| | | | 931.7 |
| Other securities | 2.7 |
| | 2.7 |
| | | | 2.7 |
| | | | 2.7 |
| Marketable equity | 356.3 |
| | 75.0 |
| | 356.3 |
| | | | | | 356.3 |
| Short-term investments | $ | 1,567.1 |
| | $ | 1,284.1 |
| | | | | | | | | Noncurrent investments: | U.S. government and agencies | $ | 1,115.6 |
| | $ | 1,126.1 |
| | $ | 1,035.6 |
| | $ | 80.0 |
| | $ | | $ | 1,115.6 |
| Corporate debt securities | 4,940.5 |
| | 4,933.7 |
| | | | 4,940.5 |
| | | | 4,940.5 |
| Mortgage-backed | 636.0 |
| | 652.4 |
| | | | 636.0 |
| | | | 636.0 |
| Asset-backed | 490.0 |
| | 494.5 |
| | | | 490.0 |
| | | | 490.0 |
| Other securities | 7.3 |
| | 8.3 |
| | | | 7.3 |
| | | | 7.3 |
| Marketable equity | 81.2 |
| | 22.8 |
| | 81.2 |
| | | | | | 81.2 |
| Equity method and other investments(1) | 354.3 |
| | 354.3 |
| | | | | | | | | Noncurrent investments | $ | 7,624.9 |
| | $ | 7,592.1 |
| | | | | | | | | | | | | | | | | | | | | December 31, 2012 | | | | | | | | | | | | Cash and cash equivalents | $ | 4,018.8 |
| | $ | 4,018.8 |
| | $ | 3,964.4 |
| | $ | 54.4 |
| | $ | | $ | 4,018.8 |
| Short-term investments: | | | | | | | | | | | | U.S. government and agencies | $ | 150.2 |
| | $ | 150.2 |
| | $ | 150.2 |
| | $ | | $ | | $ | 150.2 |
| Corporate debt securities | 1,503.5 |
| | 1,501.5 |
| | | | 1,503.5 |
| | | | 1,503.5 |
| Other securities | 11.8 |
| | 11.8 |
| | | | 11.8 |
| | | | 11.8 |
| Short-term investments | $ | 1,665.5 |
| | $ | 1,663.5 |
| | | | | | | | | Noncurrent investments: | | | | | | | | | | | | U.S. government and agencies | $ | 1,362.7 |
| | $ | 1,360.3 |
| | $ | 1,122.4 |
| | $ | 240.3 |
| | $ | | $ | 1,362.7 |
| Corporate debt securities | 3,351.3 |
| | 3,322.9 |
| | | | 3,351.3 |
| | | | 3,351.3 |
| Mortgage-backed | 668.1 |
| | 677.7 |
| | | | 668.1 |
| | | | 668.1 |
| Asset-backed | 519.0 |
| | 523.5 |
| | | | 519.0 |
| | | | 519.0 |
| Other securities | 3.3 |
| | 3.3 |
| | | | 3.3 |
| | | | 3.3 |
| Marketable equity | 175.8 |
| | 83.0 |
| | 175.8 |
| | | | | | 175.8 |
| Equity method and other investments(1) | 233.7 |
| | 233.7 |
| | | | | | | | | Noncurrent investments | $ | 6,313.9 |
| | $ | 6,204.4 |
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| | 1 | Fair value not applicable |
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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 | Long-term debt, including current portion | | | | | | | | | | December 31, 2013 | $ | (5,212.9 | ) | | $ | | $ | (5,490.9 | ) | | $ | | $ | (5,490.9 | ) | December 31, 2012 | (5,531.3 | ) | |
| | (5,996.6 | ) | |
| | (5,996.6 | ) |
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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 | December 31, 2013 | | | | | | | | | | Risk-management instruments | | | | | | | | | | Interest rate contracts designated as hedging instruments: | | | | | | | | | | Other receivables | $ | 20.1 |
| | $ | | $ | 20.1 |
| | $ | | $ | 20.1 |
| Sundry | 278.7 |
| | | | 278.7 |
| | | | 278.7 |
| Other noncurrent liabilities | (0.9 | ) | | | | (0.9 | ) | | | | (0.9 | ) | Foreign exchange contracts not designated as hedging instruments: | | | | | | | | | | Other receivables | 6.7 |
| | | | 6.7 |
| | | | 6.7 |
| Other current liabilities | (7.1 | ) | | | | (7.1 | ) | | | | (7.1 | ) | Equity contracts designated as hedging instruments: | | | | | | | | | | Other current liabilities | (149.6 | ) | | | | (149.6 | ) | | | | (149.6 | ) | | | | | | | | | | | December 31, 2012 | | | | | | | | | | Risk-management instruments | | | | | | | | | | Interest rate contracts designated as hedging instruments: | | | | | | | | | | Sundry | 589.4 |
| | | | 589.4 |
| | | | 589.4 |
| Foreign exchange contracts not designated as hedging instruments: | | | | | | | | | | Other receivables | 11.0 |
| | | | 11.0 |
| | | | 11.0 |
| Other current liabilities | (17.5 | ) | | | | (17.5 | ) | | | | (17.5 | ) |
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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: | | | | | | | | | | 2013 | | 2012 | Unrealized gross gains | $ | 375.6 |
| | $ | 140.5 |
| Unrealized gross losses | 59.8 |
| | 29.0 |
| Fair value of securities in an unrealized gain position | 4,982.7 |
| | 5,246.0 |
| Fair value of securities in an unrealized loss position | 3,664.7 |
| | 2,102.0 |
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| Gain (Loss) on Investments [Table Text Block] |
Activity related to our investment portfolio, substantially all of which related to available-for-sale securities, was as follows: | | | | | | | | | | | | | | 2013 | | 2012 | | 2011 | Proceeds from sales | $ | 13,753.5 |
| | $ | 6,529.8 |
| | $ | 2,268.3 |
| Realized gross gains on sales | 49.5 |
| | 82.3 |
| | 140.0 |
| Realized gross losses on sales | 15.4 |
| | 10.9 |
| | 9.9 |
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