1.0.0.3 false Consolidated Balance Sheets (Parenthetical) (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 Allowance for doubtful accounts 2 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 true true 3000000 3 false false 2 true true 2000000 2 false false No definition available. No authoritative reference available. false 5 Shareholders' Equity: 1 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 6 Preferred stock, par value 2 us-gaap_PreferredStockParOrStatedValuePerShare us-gaap true na instant decimal No definition available. false false false false false false false false false 1 false true 0.01 0.01 false false 2 false true 0.01 0.01 false false No definition available. No authoritative reference available. false 7 Preferred stock, shares authorized 2 us-gaap_PreferredStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 10000000 10 false false 2 false true 10000000 10 false false No definition available. No authoritative reference available. false 8 Common stock: 2 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 9 Common stock, par value 3 us-gaap_CommonStockParOrStatedValuePerShare us-gaap true na instant decimal No definition available. false false false false false false false false false 1 false true 0.01 0.01 false false 2 false true 0.01 0.01 false false No definition available. No authoritative reference available. false 10 Common stock, shares Authorized 3 us-gaap_CommonStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 600000000 600 false false 2 false true 600000000 600 false false No definition available. No authoritative reference available. false 11 Common stock, shares Issued 3 us-gaap_CommonStockSharesIssued us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 174000000 174 false false 2 false true 174000000 174 false false No definition available. No authoritative reference available. false 12 Common stock, shares Outstanding 3 us-gaap_CommonStockSharesOutstanding us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 156000000 156 false false 2 false true 168000000 168 false false No definition available. No authoritative reference available. false 13 Treasury stock at cost, shares 2 us-gaap_TreasuryStockShares us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 18000000 18 false false 2 false true 6000000 6 false false No definition available. No authoritative reference available. false false 2 11 false Millions Millions UnKnown false true