Long-Term Debt (Fair Value of Debt) (Details) $ in Millions |
Mar. 31, 2018
USD ($)
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| Senior Notes | |
| Debt Instrument [Line Items] | |
| Debt, fair value | $ 803 |
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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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- 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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- Details
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