Debt (Interest Rate Swaps) (Details) - USD ($) |
Sep. 30, 2016 |
Feb. 29, 2016 |
|---|---|---|
| Interest Rate Swap | ||
| Debt Instrument [Line Items] | ||
| Notional amount of interest rate swap agreements | $ 2,350,000,000 | |
| Average variable rate, interest rate swap agreements (percent) | 3.88% | |
| Weighted average rate, interest rate swap agreements (percent) | 4.69% | |
| June 1, 2017 Expiration, Interest Rate Swap | ||
| Debt Instrument [Line Items] | ||
| Notional amount of interest rate swap agreements | $ 250,000,000 | |
| LIBOR plus 4.22%, Interest Rate Swap | ||
| Debt Instrument [Line Items] | ||
| Notional amount of interest rate swap agreements | $ 600,000,000 | |
| May 15, 2022 Expiration, Interest Rate Swap | ||
| Debt Instrument [Line Items] | ||
| Notional amount of interest rate swap agreements | $ 500,000,000 | |
| LIBOR plus 4.44%, Interest Rate Swap | ||
| Debt Instrument [Line Items] | ||
| Notional amount of interest rate swap agreements | $ 1,000,000,000 |
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Average variable interest rate related to the group of interest rate derivatives. No definition available.
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- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. No definition available.
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