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Overview and Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details) $ in Millions	Nov. 01, 2018 USD ($)
Estimate | Topic 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Addition to retained deficit	$ 220

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- Definition

Amount of the cumulative effect on retained earnings before related income tax effect.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

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-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122869-111746

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+ References

No definition available.

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