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Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F false2Stock-based compensation plans expense3false 3us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-1000000-1falsefalsefalse2truefalsefalse-1000000-1falsefalsefalse3truefalsefalse-2000000-2falsefalsefalse4truefalsefalse-6000000-6falsefalsefalsexbrli:monetaryItemTypemonetaryThe total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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