2.2.0.7 false Litigation (Details) (USD $) 40700 - Disclosure - Litigation (Details) true false In Millions false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 2 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 2 Litigation [Abstract] 0 us-gaap_GainLossRelatedToLitigationSettlementAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Litigation provisions 1 us-gaap_GainLossRelatedToLitigationSettlement us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 true true false false 7000000 7 false false false xbrli:monetaryItemType monetary The net proceeds or assets obtained in excess of (less than) the net carrying amount of assets recorded, or assets distributed and liabilities assumed less than (in excess of) litigation reserves extinguished, in settlement of a litigation matter. Represents (for other than an insurance entity in its normal claims settlement process), the amount of income (expense) recognized in the period to settle pending or threatened litigation and insurance claims. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 false 4 Payments for damages and fees estimated for litigation settlements 1 us-gaap_PaymentsForLegalSettlements us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 true true false false 6000000 6 false false false 2 false false false false 0 0 false false false xbrli:monetaryItemType monetary The amount of cash paid for the settlement of litigation or for other legal issues during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 false 2 3 false Millions UnKnown UnKnown false true