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Note 2. Summary of Significant Accounting Policies Derivative Instruments (Details) - Interest rate swap contracts $ in Millions | Dec. 31, 2016 USD ($)
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Derivative [Line Items] |
Notional value of derivative instrument | $ 1,475
July 2012 [Member] |
Derivative [Line Items] |
Notional value of derivative instrument | 225
January 2013 [Member] |
Derivative [Line Items] |
Notional value of derivative instrument | 200
August 2015 [Member] |
Derivative [Line Items] |
Notional value of derivative instrument | 600
November 2017 [Member] |
Derivative [Line Items] |
Notional value of derivative instrument | $ 450

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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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. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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