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v3.6.0.2

Parent Company (Details Textuals) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Parent Company Details (Textuals) [Abstract] |  |  |
Gain on business travel joint venture transaction | $ 0 | $ 0 | $ 630

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- Definition Gain on business travel joint venture, before tax + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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