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Disclosure Of Fair Value Of Financial Instruments (Details) (USD $)
In Billions, unless otherwise specified |
Sep. 30, 2013
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Dec. 31, 2012
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| Disclosure Of Fair Value Of Financial Instruments [Abstract] | ||
| Fair value of Company's long-term debt | $ 2.5 | $ 2.4 |
| Book value of Company's long-term debt | $ 2.4 | $ 2.2 |
| X | ||||||||||
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- Definition
Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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