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Revenue Recogniton Revenue Recognition (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Revenue Recognition [Abstract] |
Gain on Derivative Instruments, Pretax | $ 42

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- Definition Aggregate gain on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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- References No definition available. + Details
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