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New Accounting Standards (Narrative) (Details) $ in Billions | 12 Months Ended
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Dec. 31, 2016 USD ($)
Accounting Standards Update 2014-09 [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Other fee income and other revenue within the scope of ASU 2014-09 | $ 1

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- Definition Revenue reported in other fee income and other revenue in our Consolidated Statements of Comprehensive Income (Loss) within the scope of ASU 2014-09. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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