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Commitments and Contingencies (Narrative) (Details) $ in Millions | Jun. 30, 2018 USD ($)
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Redeemable Preferred Stock [Member] | Level 2 [Member] |
Temporary Equity [Line Items] |
Fair Value of Redeemable subsidiary preferred stock | $ 746

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- Definition Temporary Equity, Fair Value of our redeemable subsidiary preferred stock. + References No definition available. + 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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