1.0.0.3 false Consolidated Balance Sheets (USD $) In Millions false 1 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 2 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 3 ASSETS: 1 us-gaap_AssetsAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 4 Cash and cash equivalents 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 true true 1384000000 1384 false false 2 true true 1191000000 1191 false false No definition available. No authoritative reference available. false 5 Accounts receivable, less allowances of $3 and $2 2 us-gaap_AccountsReceivableNetCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 9000000 9 false false 2 false true 7000000 7 false false No definition available. No authoritative reference available. false 6 Other receivables 2 us-gaap_OtherReceivables us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 41000000 41 false false 2 false true 55000000 55 false false No definition available. No authoritative reference available. false 7 Inventories 2 us-gaap_InventoryNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 281000000 281 false false 2 false true 255000000 255 false false No definition available. No authoritative reference available. false 8 Deferred income taxes 2 us-gaap_DeferredTaxAssetsNetCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 466000000 466 false false 2 false true 454000000 454 false false No definition available. No authoritative reference available. true 9 Total current assets 2 us-gaap_AssetsCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 2181000000 2181 false false 2 false true 1962000000 1962 false false No definition available. No authoritative reference available. false 10 Plant and equipment, net 2 us-gaap_PropertyPlantAndEquipmentNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 237000000 237 false false 2 false true 218000000 218 false false No definition available. No authoritative reference available. false 11 Prepaid pension assets 2 us-gaap_PrepaidPensionCosts us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 60000000 60 false false 2 false true 36000000 36 false false No definition available. No authoritative reference available. false 12 Deferred income taxes 2 us-gaap_DeferredTaxAssetsNetNoncurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 48000000 48 false false 2 false true 71000000 71 false false No definition available. No authoritative reference available. false 13 Other assets 2 us-gaap_OtherAssetsNoncurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 49000000 49 false false 2 false true 34000000 34 false false No definition available. No authoritative reference available. true 14 Total assets 2 us-gaap_Assets us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 2575000000 2575 false false 2 false true 2321000000 2321 false false No definition available. No authoritative reference available. true 15 LIABILITIES AND SHAREHOLDERS' EQUITY: 1 us-gaap_LiabilitiesAndStockholdersEquityAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 16 Accounts and drafts payable 2 us-gaap_AccountsPayableCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 23000000 23 false false 2 false true 30000000 30 false false No definition available. No authoritative reference available. false 17 Accrued liabilities 2 us-gaap_AccruedLiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 318000000 318 false false 2 false true 255000000 255 false false No definition available. No authoritative reference available. false 18 Settlement costs 2 lo_SettlementCosts lo false credit instant monetary Settlement costs false false false false false false false false false 1 false true 982000000 982 false false 2 false true 974000000 974 false false Settlement costs No authoritative reference available. false 19 Income taxes 2 us-gaap_AccruedIncomeTaxesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 14000000 14 false false 2 false true 14000000 14 false false No definition available. No authoritative reference available. true 20 Total current liabilities 2 us-gaap_LiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1337000000 1337 false false 2 false true 1273000000 1273 false false No definition available. No authoritative reference available. false 21 Long-term debt 2 us-gaap_LongTermDebtNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 722000000 722 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 22 Postretirement pension, medical and life insurance benefits 2 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 300000000 300 false false 2 false true 317000000 317 false false No definition available. No authoritative reference available. false 23 Other liabilities 2 us-gaap_OtherLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 129000000 129 false false 2 false true 100000000 100 false false No definition available. No authoritative reference available. true 24 Total liabilities 2 us-gaap_Liabilities us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 2488000000 2488 false false 2 false true 1690000000 1690 false false No definition available. No authoritative reference available. true 26 Shareholders' Equity: 2 us-gaap_StockholdersEquityAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 27 Preferred stock, $0.01 par value, authorized 10 million shares 3 us-gaap_PreferredStockValue us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 28 Common stock: 3 lo_CommonStockAbstract lo false na duration string Common stock. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false Common stock. false 29 Authorized - 600 million shares; par value-$.01 per share Issued - 174 million and 174 million shares Outstanding - 156 million and 168 million shares 4 us-gaap_CommonStockValue us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 2000000 2 false false 2 false true 2000000 2 false false No definition available. No authoritative reference available. false 30 Additional paid-in capital 3 us-gaap_AdditionalPaidInCapitalCommonStock us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 234000000 234 false false 2 false true 222000000 222 false false No definition available. No authoritative reference available. false 31 Earnings retained in the business 3 us-gaap_RetainedEarningsAccumulatedDeficit us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1282000000 1282 false false 2 false true 965000000 965 false false No definition available. No authoritative reference available. false 32 Accumulated other comprehensive loss 3 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true -121000000 -121 false false 2 false true -158000000 -158 false false No definition available. No authoritative reference available. false 33 Treasury stock at cost, 18 million and 6 million shares 3 us-gaap_TreasuryStockValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true -1310000000 -1310 false false 2 false true -400000000 -400 false false No definition available. No authoritative reference available. true 34 Total shareholders' equity 3 us-gaap_StockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 87000000 87 false false 2 false true 631000000 631 false false No definition available. No authoritative reference available. true 35 Total liabilities and shareholders' equity 2 us-gaap_LiabilitiesAndStockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 true true 2575000000 2575 false false 2 true true 2321000000 2321 false false No definition available. No authoritative reference available. true false 2 32 false Millions UnKnown UnKnown false true