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Financial Instruments - Notional Amounts of Derivative Instruments (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2012
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| Derivative [Line Items] | |
| Debt Conversion, Original Debt, Amount | $ 20,000,000 |
| Notional amount of interest rate derivative | 2,900,000,000 |
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Interest Rate Contract [Member] | Designated as Hedging Instrument [Member]
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| Derivative [Line Items] | |
| Notional amount of interest rate derivative | 0 |
| Weighted average fixed inteerst rate paid on derivative | 1.98% |
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Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]
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| Derivative [Line Items] | |
| Notional amount of interest rate derivative | 0 |
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Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]
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| Derivative [Line Items] | |
| Notional amount of interest rate derivative | 0 |
| Weighted average fixed inteerst rate paid on derivative | 1.98% |
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Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] | Maximum [Member]
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| Derivative [Line Items] | |
| Notional amount of interest rate derivative | $ 0 |
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- Definition
The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Average fixed interest rate related to the group of interest rate derivatives. No definition available.
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- Details
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- Definition
Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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