2.2.0.7 true Long Term Debt (Details) (USD $) 0608 - Disclosure - Long Term Debt (Details) true false 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 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD true false false false lo_NotesOneMember us-gaap_LongtermDebtTypeAxis xbrldi http://xbrl.org/2006/xbrldi lo_NotesOneMember us-gaap_LongtermDebtTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 $ false 4 USD true false false false lo_NotesOneMember us-gaap_LongtermDebtTypeAxis xbrldi http://xbrl.org/2006/xbrldi lo_NotesOneMember us-gaap_LongtermDebtTypeAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 5 USD true false false false lo_NotesTwoMember us-gaap_LongtermDebtTypeAxis xbrldi http://xbrl.org/2006/xbrldi lo_NotesTwoMember us-gaap_LongtermDebtTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 6 USD true false false false lo_NotesTwoMember us-gaap_LongtermDebtTypeAxis xbrldi http://xbrl.org/2006/xbrldi lo_NotesTwoMember us-gaap_LongtermDebtTypeAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 7 USD true false false false lo_NotesThreeMember us-gaap_LongtermDebtTypeAxis xbrldi http://xbrl.org/2006/xbrldi lo_NotesThreeMember us-gaap_LongtermDebtTypeAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 8 USD true false false false lo_NotesThreeMember us-gaap_LongtermDebtTypeAxis xbrldi http://xbrl.org/2006/xbrldi lo_NotesThreeMember us-gaap_LongtermDebtTypeAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 5 Long Term Debt 3 us-gaap_LongTermDebtAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 6 Senior Long Term Notes 4 us-gaap_SeniorLongTermNotes us-gaap true credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 true true false false 816000000 816000000 true false false 5 false false false false 0 0 true false false 6 true true false false 750000000 750000000 true false false 7 false false false false 0 0 true false false 8 true true false false 250000000 250000000 true false false xbrli:monetaryItemType monetary Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 false 7 Total long-term debt 4 us-gaap_LongTermDebtNoncurrent us-gaap true credit instant No definition available. false false false false false false false false false false false totallabel false 1 false false false false 0 0 false false false 2 false true false false 1816000000 1816000000 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:monetaryItemType monetary Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 true 8 Long Term Debt (Textuals) 3 lo_LongTermDebtTextualsAbstract lo false na duration Long Term Debt Textuals Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:stringItemType string Long Term Debt Textuals Abstract. false 9 Issuance of unsecured senior notes 4 us-gaap_ProceedsFromIssuanceOfUnsecuredDebt us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1000000000 1000000000 false false false 2 false false false false 0 0 false false false 3 false true false false 750000000 750000000 true false false 4 false false false false 0 0 true false false 5 false true false false 750000000 750000000 true false false 6 false false false false 0 0 true false false 7 false true false false 250000000 250000000 true false false 8 false false false false 0 0 true false false xbrli:monetaryItemType monetary The cash inflow from the issuance of uncollateralized debt obligation (where debt is not backed by the pledge of collateral). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph b false 10 Unsecured senior debt stated interest rate in % 4 us-gaap_DebtInstrumentInterestRateStatedPercentage us-gaap true na instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false true false false 0.08125 0.08125 true false false 5 false false false false 0 0 true false false 6 false true false false 0.06875 0.06875 true false false 7 false false false false 0 0 true false false 8 false true false false 0.08125 0.08125 true false false us-types:percentItemType pure Interest rate stated in the contractual debt agreement. 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No authoritative reference available. false 12 Maximum Incremental Increase in Interest rate on the Notes 4 lo_MaximumIncrementalIncreaseInInterestRateOnNotes lo false na instant Maximum Incremental Increase in Interest rate on the Notes. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 0.02 0.02 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false us-types:percentItemType pure Maximum Incremental Increase in Interest rate on the Notes. No authoritative reference available. false 13 Offer to repurchase the Notes upon control triggering Event 4 lo_OfferToRepurchaseNotesUponControlTriggeringEvent lo false na duration Offer To Repurchase Notes Upon Control Triggering Event. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false true false false 1.01 1.01 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false us-types:percentItemType pure Offer To Repurchase Notes Upon Control Triggering Event. No authoritative reference available. false 14 Number of days ceased to be rated investment grade for becoming change of control triggering event 4 lo_NumberOfDaysCeasedToBeRatedInvestmentGradeForBecomingChangeOfControlTriggeringEvent lo false na duration Number of days ceased to be rated investment grade for becoming change of control triggering event. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false true false false 60 60 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:integerItemType integer Number of days ceased to be rated investment grade for becoming change of control triggering event. No authoritative reference available. false 15 Carrying value of the notes 4 us-gaap_LongTermDebtNoncurrent us-gaap true credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 1816000000 1816000000 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:monetaryItemType monetary Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 false 16 Fair Value of the Notes 4 us-gaap_NotesPayableFairValueDisclosure us-gaap true credit instant No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 true true false false 1940000000 1940000000 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:monetaryItemType monetary This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents notes payable as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 false 8 12 false NoRounding UnKnown UnKnown false true