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Accounting and Reporting Developments (Details) - Adjustments for new accounting pronouncement [Member] $ in Millions | Jan. 01, 2017 USD ($)
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Deferred tax asset | $ 60
Retained Earnings [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect of recently adopted accounting standard | $ 60

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Asset -URI http://asc.fasb.org/extlink&oid=6510090 + Details
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