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Borrowings (Short-term Debt) (Details Textual) (USD $)
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1 Months Ended | 3 Months Ended | 6 Months Ended | 53 Months Ended | ||
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Apr. 30, 2012
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Mar. 31, 2012
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Aug. 31, 2012
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Aug. 31, 2012
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Sep. 01, 2016
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Feb. 29, 2012
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| Borrowings (Textual) | ||||||
| Maximum borrowing amount under credit facility | $ 2,225,000,000 | $ 2,225,000,000 | ||||
| Derivative, Description of variable rate basis | one-month LIBOR base rate | three-month LIBOR base rate | ||||
| Interest rate swap agreements designated as cash flow hedges | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | ||
| Undesignated interest rate swap agreements | 500,000,000 | 1,000,000,000 | 1,000,000,000 | 0 | ||
| Derivative fixed average interest rate | 2.80% | |||||
| Cash flow hedge loss reclassified to Interest Expense, net | (2,000,000) | (4,100,000) | ||||
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Sub-facility Letters of Credit [Member]
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| Borrowings (Textual) | ||||||
| Maximum borrowing amount under credit facility | 200,000,000 | 200,000,000 | ||||
| Letters of credit outstanding, Amount | 15,400,000 | 15,400,000 | ||||
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Revolving Credit Facility [Member]
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| Borrowings (Textual) | ||||||
| Maximum borrowing amount under credit facility | 850,000,000 | 850,000,000 | ||||
| Debt instrument, Maturity date | May 03, 2017 | |||||
| LIBOR margin | 1.75% | 1.75% | ||||
| Remaining borrowing capacity | $ 834,600,000 | $ 834,600,000 | ||||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Derivative fixed average interest rate. No definition available.
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- Definition
Maximum borrowing amount under credit facility. No definition available.
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- Definition
Remaining borrowing capacity. No definition available.
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- Definition
The amount of net gains or losses on a cash flow hedge reclassified in the period to interest expense from accumulated other comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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- Definition
Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. No definition available.
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition
Aggregate notional amount of all interest rate derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate notional amount of all interest rate derivatives not designated as hedging instruments. Notional amount refers to the monetary amount specified in the interest rate derivative contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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