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Accounting Policies - Narrative on Revenue Recognition Guidance (Details) | 9 Months Ended
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Sep. 30, 2017
Accounting Standards Update 2014-09 |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Expected effect on consolidated revenues under new revenue recognition guidance effective in 2018 | 2.00%

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- Definition Represents the percentage in which the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. + References No definition available. + Details
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- Details
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