1.0.0.3 false Consolidated Condensed Statements of Income (USD $) In Millions, except Per Share data 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 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 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 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 3 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 4 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 5 Net sales (including excise taxes of $486, $184, $635 and $347, respectively) 3 us-gaap_SalesRevenueNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 1519000000 1519 false false 2 true true 1070000000 1070 false false 3 true true 2436000000 2436 false false 4 true true 1991000000 1991 false false No definition available. No authoritative reference available. false 6 Cost of sales 3 us-gaap_CostOfGoodsAndServicesSold us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 965000000 965 false false 2 false true 627000000 627 false false 3 false true 1496000000 1496 false false 4 false true 1181000000 1181 false false No definition available. No authoritative reference available. true 7 Gross profit 3 us-gaap_GrossProfit us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 554000000 554 false false 2 false true 443000000 443 false false 3 false true 940000000 940 false false 4 false true 810000000 810 false false No definition available. No authoritative reference available. false 8 Selling, general and administrative 3 us-gaap_SellingGeneralAndAdministrativeExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 98000000 98 false false 2 false true 91000000 91 false false 3 false true 189000000 189 false false 4 false true 191000000 191 false false No definition available. No authoritative reference available. true 9 Operating income 3 us-gaap_OperatingIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 456000000 456 false false 2 false true 352000000 352 false false 3 false true 751000000 751 false false 4 false true 619000000 619 false false No definition available. No authoritative reference available. false 10 Investment income 3 us-gaap_InvestmentIncomeInterest us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 1000000 1 false false 2 false true 6000000 6 false false 3 false true 2000000 2 false false 4 false true 16000000 16 false false No definition available. No authoritative reference available. false 11 Interest expense 3 us-gaap_InterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -2000000 -2 false false 2 false true -1000000 -1 false false 3 false true -2000000 -2 false false 4 false true -2000000 -2 false false No definition available. No authoritative reference available. true 12 Income before income taxes 3 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 455000000 455 false false 2 false true 357000000 357 false false 3 false true 751000000 751 false false 4 false true 633000000 633 false false No definition available. No authoritative reference available. false 13 Income taxes 3 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 169000000 169 false false 2 false true 140000000 140 false false 3 false true 281000000 281 false false 4 false true 242000000 242 false false No definition available. No authoritative reference available. true 14 Net income 3 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 286000000 286 false false 2 true true 217000000 217 false false 3 true true 470000000 470 false false 4 true true 391000000 391 false false No definition available. No authoritative reference available. true 15 Earnings per share: 3 us-gaap_EarningsPerShareAbstract 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 3 false false 0 0 false false 4 false false 0 0 false false No definition available. false 16 Basic 4 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1.71 1.71 false false 2 true true 1.25 1.25 false false 3 true true 2.8 2.8 false false 4 true true 2.25 2.25 false false No definition available. No authoritative reference available. false 17 Diluted 4 us-gaap_EarningsPerShareDiluted us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1.71 1.71 false false 2 true true 1.25 1.25 false false 3 true true 2.8 2.8 false false 4 true true 2.25 2.25 false false No definition available. No authoritative reference available. true 18 Number of shares outstanding: 3 lo_NumberOfSharesOutstandingAbstract lo false na duration string Number of shares outstanding false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false 4 false false 0 0 false false Number of shares outstanding false 19 Basic 4 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 167660000 167.66 false false 2 false true 173920000 173.92 false false 3 false true 167870000 167.87 false false 4 false true 173920000 173.92 false false No definition available. No authoritative reference available. false 20 Diluted 4 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 167790000 167.79 false false 2 false true 173920000 173.92 false false 3 false true 167980000 167.98 false false 4 false true 173920000 173.92 false false No definition available. No authoritative reference available. true false 4 16 false Millions TenThousands Hundreds false true