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Financial Instruments (Details) (Recurring, Level 2 market data, USD $)
In Billions, unless otherwise specified |
Sep. 30, 2014
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Dec. 31, 2013
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Recurring | Level 2 market data
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| Financial Instruments | ||
| Fair value of senior notes | $ 2.6 | $ 1.9 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Fair value portion of notes payable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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