2.2.0.7 false Consolidated Statements of Income (USD $) 00200 - Statement - Consolidated Statements of Income true false In Millions, except Per Share data false false 1 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 15 Revenues 13 us-gaap_RealEstateRevenueNetAbstract us-gaap true na duration No definition available. false false false false false true 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 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 16 Owned, leased and consolidated joint venture hotels 14 hot_OwnedLeasedAndConsolidatedJointVentureHotels hot false credit duration Represents revenue primarily derived from hotel operations, including the rental of rooms and food and beverage sales, from... false false false false false false false false false false false label false 1 true true false false 437000000 437 false false false 2 true true false false 386000000 386 false false false 3 true true false false 818000000 818 false false false 4 true true false false 766000000 766 false false false xbrli:monetaryItemType monetary Represents revenue primarily derived from hotel operations, including the rental of rooms and food and beverage sales, from owned, leased or consolidated joint venture hotels and resorts. Revenue is recognized when rooms are occupied and services have been rendered. No authoritative reference available. false 17 Vacation ownership and residential sales and services 14 hot_VacationOwnershipAndResidentialSalesAndServices hot false credit duration The Company recognizes revenue from VOI and residential sales in accordance with SFAS No. 152, "Accounting for Real Estate... false false false false false false false false false false false terselabel false 1 false true false false 137000000 137 false false false 2 false true false false 126000000 126 false false false 3 false true false false 270000000 270 false false false 4 false true false false 261000000 261 false false false xbrli:monetaryItemType monetary The Company recognizes revenue from VOI and residential sales in accordance with SFAS No. 152, "Accounting for Real Estate Time Sharing Transactions," and SFAS No. 66, "Accounting for Sales of Real Estate," as amended. The Company recognizes sales when the buyer has demonstrated a sufficient level of initial and continuing investment, the period of cancellation with refund has expired and receivables are deemed collectible. For sales that do not qualify for full revenue recognition as the project has progressed beyond the preliminary stages but has not yet reached completion, all revenue and profit are initially deferred and recognized in earnings through the percentage-of-completion method. The Company has also entered into licensing agreements with third-party developers to offer consumers branded condominiums or residences. The fees from these arrangements are generally based on the gross sales revenue of the units sold. Residential fee revenue is recorded in the period that a purchase and sales agreement exists, delivery of services and obligations has occurred, the fee to the owner is deemed fixed and determinable and collectibility of the fees is reasonably assured. No authoritative reference available. false 18 Management fees, franchise fees and other income 14 hot_ManagementFeesFranchiseFeesAndOtherIncome hot false credit duration Represents fees earned on hotels managed worldwide, usually under long-term contracts, franchise fees received in connection... false false false false false false false false false false false label false 1 false true false false 177000000 177 false false false 2 false true false false 166000000 166 false false false 3 false true false false 330000000 330 false false false 4 false true false false 310000000 310 false false false xbrli:monetaryItemType monetary Represents fees earned on hotels managed worldwide, usually under long-term contracts, franchise fees received in connection with the franchise of the Company's brand names, termination fees and the amortization of deferred gains related to sold properties for which the Company has significant continuing involvement, offset by payments by the Company under performance and other guarantees. Management fees are comprised of a base fee, which is generally based on a percentage of gross revenues, and an incentive fee, which is generally based on the property's profitability. Base fee revenues are recognized when earned in accordance with the terms of the contract. For any time during the year, when the provisions of the management contracts allow receipt of incentive fees upon termination, incentive fees are recognized for the fees due and earned as if the contract was terminated at that date, exclusive of any termination fees due or payable. Franchise fees are generally based on a percentage of hotel room revenues and are recognized in accordance with SFAS No. 45, "Accounting for Franchise Fee Revenue," as the fees are earned and become due from the franchise. No authoritative reference available. false 19 Other revenues from managed and franchised properties 14 hot_OtherRevenuesFromManagedAndFranchisedProperties hot false credit duration These revenues represent reimbursements of costs incurred on behalf of managed hotel properties and franchises. These costs... false false false false false false false false false false false terselabel false 1 false true false false 538000000 538 false false false 2 false true false false 489000000 489 false false false 3 false true false false 1058000000 1058 false false false 4 false true false false 957000000 957 false false false xbrli:monetaryItemType monetary These revenues represent reimbursements of costs incurred on behalf of managed hotel properties and franchises. These costs relate primarily to payroll costs at managed properties where the Company is the employer. Since the reimbursements are made based upon the costs incurred with no added margin, these revenues and corresponding expenses have no effect on the Company's operating income or net income. No authoritative reference available. false 20 Total Revenues 12 us-gaap_Revenues us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1289000000 1289 false false false 2 false true false false 1167000000 1167 false false false 3 false true false false 2476000000 2476 false false false 4 false true false false 2294000000 2294 false false false xbrli:monetaryItemType monetary Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 true 24 Costs and Expenses 14 us-gaap_CostOfRealEstateRevenueAbstract us-gaap true na duration No definition available. false false false false false true 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 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 25 Owned, leased and consolidated joint venture hotels 15 hot_OwnedLeasedAndConsolidatedJointVentures hot false debit duration Represents the expenses and costs associated with the revenue primarily derived from hotel operations, including the rental... false false false false false false false false false false false terselabel false 1 false true false false 347000000 347 false false false 2 false true false false 322000000 322 false false false 3 false true false false 676000000 676 false false false 4 false true false false 649000000 649 false false false xbrli:monetaryItemType monetary Represents the expenses and costs associated with the revenue primarily derived from hotel operations, including the rental of rooms and food and beverage sales, from owned, leased or consolidated joint venture hotels and resorts. No authoritative reference available. false 26 Vacation ownership and residential 15 hot_VacationOwnershipAndResidential hot false debit duration Represents expenses and costs associated with VOI and residential sales. See above description of vacation ownership and... false false false false false false false false false false false label false 1 false true false false 103000000 103 false false false 2 false true false false 98000000 98 false false false 3 false true false false 204000000 204 false false false 4 false true false false 204000000 204 false false false xbrli:monetaryItemType monetary Represents expenses and costs associated with VOI and residential sales. See above description of vacation ownership and residentaial sales and services. No authoritative reference available. false 27 Selling, general, administrative and other 15 us-gaap_SellingGeneralAndAdministrativeExpense us-gaap true debit duration No definition available. false false false false false false false false false false false label false 1 false true false false 92000000 92 false false false 2 false true false false 78000000 78 false false false 3 false true false false 168000000 168 false false false 4 false true false false 151000000 151 false false false xbrli:monetaryItemType monetary The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 4 -Paragraph 5A false 28 Restructuring and other special charges, net 15 us-gaap_RestructuringCharges us-gaap true debit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false -1000000 -1 false false false 2 false true false false 5000000 5 false false false 3 false true false false -1000000 -1 false false false 4 false true false false 22000000 22 false false false xbrli:monetaryItemType monetary Amount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 false 29 Depreciation 15 us-gaap_DepreciationNonproduction us-gaap true debit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 66000000 66 false false false 2 false true false false 69000000 69 false false false 3 false true false false 132000000 132 false false false 4 false true false false 137000000 137 false false false xbrli:monetaryItemType monetary The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 false 30 Amortization 15 us-gaap_AmortizationOfIntangibleAssets us-gaap true debit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 7000000 7 false false false 2 false true false false 7000000 7 false false false 3 false true false false 17000000 17 false false false 4 false true false false 14000000 14 false false false xbrli:monetaryItemType monetary The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(2) false 31 Other expenses from managed and franchised properties 15 hot_OtherExpensesFromManagedAndFranchisedProperties hot false debit duration These expenses represent reimbursements of costs incurred on behalf of managed hotel properties and franchises. These costs... false false false false false false false false false false false terselabel false 1 false true false false 538000000 538 false false false 2 false true false false 489000000 489 false false false 3 false true false false 1058000000 1058 false false false 4 false true false false 957000000 957 false false false xbrli:monetaryItemType monetary These expenses represent reimbursements of costs incurred on behalf of managed hotel properties and franchises. These costs relate primarily to payroll costs at managed properties where the Company is the employer. Since the reimbursements are made based upon the costs incurred with no added margin, these expenses and corresponding revenues have no effect on the Company's operating income or net income. No authoritative reference available. false 32 Total Costs and Expenses 15 us-gaap_CostsAndExpenses us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1152000000 1152 false false false 2 false true false false 1068000000 1068 false false false 3 false true false false 2254000000 2254 false false false 4 false true false false 2134000000 2134 false false false xbrli:monetaryItemType monetary Total costs of sales and operating expenses for the period. No authoritative reference available. true 33 Operating income 15 us-gaap_OperatingIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 137000000 137 false false false 2 false true false false 99000000 99 false false false 3 false true false false 222000000 222 false false false 4 false true false false 160000000 160 false false false xbrli:monetaryItemType monetary The net result for the period of deducting operating expenses from operating revenues. No authoritative reference available. true 34 Equity (losses) earnings and gains and losses from unconsolidated ventures, net 15 us-gaap_IncomeLossFromEquityMethodInvestments us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 3000000 3 false false false 2 false true false false 3000000 3 false false false 3 false true false false 6000000 6 false false false 4 false true false false -2000000 -2 false false false xbrli:monetaryItemType monetary This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 19 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 6 -Subparagraph b false 35 Interest expense, net of interest income of $0, $2, $1 and $2 15 hot_InterestExpenseNetOfInterestIncome hot false debit duration The cost of borrowed funds accounted for as interest that was charged against earnings during the period offset by interest... false false false false false false false false false false true negated false 1 false true false false -59000000 -59 false false false 2 false true false false -53000000 -53 false false false 3 false true false false -121000000 -121 false false false 4 false true false false -96000000 -96 false false false xbrli:monetaryItemType monetary The cost of borrowed funds accounted for as interest that was charged against earnings during the period offset by interest income generated by current and long-term assets of the business. No authoritative reference available. false 36 (Loss) gain on asset dispositions and impairments, net 15 hot_GainLossOnAssetDispositionsAndImpairmentsNet hot false credit duration The net gain or loss resulting from the sale, transfer, termination, or other disposition of assets during the period as well... false false false false false false false false false false false terselabel false 1 false true false false 20000000 20 false false false 2 false true false false -21000000 -21 false false false 3 false true false false 21000000 21 false false false 4 false true false false -26000000 -26 false false false xbrli:monetaryItemType monetary The net gain or loss resulting from the sale, transfer, termination, or other disposition of assets during the period as well as the aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for sale. No authoritative reference available. false 37 Income (loss) from continuing operations before taxes and noncontrolling interests 10 hot_IncomeFromContinuingOperationsBeforeTaxes hot false credit duration Sum of operating profit and nonoperating income (expense) before income taxes, extraordinary items, cumulative effects of... false false false false false false false false false false false totallabel false 1 false true false false 101000000 101 false false false 2 false true false false 28000000 28 false false false 3 false true false false 128000000 128 false false false 4 false true false false 36000000 36 false false false xbrli:monetaryItemType monetary Sum of operating profit and nonoperating income (expense) before income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. No authoritative reference available. true 38 Income tax (expense) benefit 10 us-gaap_CurrentIncomeTaxExpenseBenefit us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -22000000 -22 false false false 2 false true false false 112000000 112 false false false 3 false true false false -21000000 -21 false false false 4 false true false false 111000000 111 false false false xbrli:monetaryItemType monetary The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 289 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a false 39 Income (loss) from continuing operations 9 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 79000000 79 false false false 2 false true false false 140000000 140 false false false 3 false true false false 107000000 107 false false false 4 false true false false 147000000 147 false false false xbrli:monetaryItemType monetary This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 true 41 Discontinued operations: 9 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTaxAbstract 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 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 42 Income (loss) from operations, net of tax (benefit) expense of $0, $0, $0, and $0 10 hot_GainLossFromOperationsNet hot false credit duration Gain(loss) after tax expense (benifit) of the operating results of a component of an entity that has been disposed or... false false false false false false false false false false false terselabel false 1 false true false false -1000000 -1 false false false 2 false true false false 1000000 1 false false false 3 false true false false -1000000 -1 false false false 4 false true false false -1000000 -1 false false false xbrli:monetaryItemType monetary Gain(loss) after tax expense (benifit) of the operating results of a component of an entity that has been disposed or classified as held for sale that have been removed from operations. No authoritative reference available. false 43 Gain (loss) on dispositions, net of tax (benefit) expense of $(34), $(6), $(34), and $(5) 10 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 36000000 36 false false false 2 false true false false -7000000 -7 false false false 3 false true false false 36000000 36 false false false 4 false true false false -8000000 -8 false false false xbrli:monetaryItemType monetary Gain (loss) after tax expense (benefit), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A7 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 10, 15 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28, 29, 30 true 50 Earnings (Loss) Per Share - Basic 6 us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract 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 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 51 Continuing operations 7 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare us-gaap true na duration No definition available. false false false false false false false false false false false terselabel true 1 true true false false 0.44 0.44 false false false 2 true true false false 0.79 0.79 false false false 3 true true false false 0.6 0.6 false false false 4 true true false false 0.83 0.83 false false false us-types:perShareItemType decimal The amount of income (loss) from continuing operations per each share of common stock outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 36, 37, 38 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 false 52 Discontinued operations 7 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare us-gaap true na duration No definition available. false false false false false false false false false false false terselabel true 1 true true false false 0.19 0.19 false false false 2 true true false false -0.04 -0.04 false false false 3 true true false false 0.19 0.19 false false false 4 true true false false -0.05 -0.05 false false false us-types:perShareItemType decimal The amount of income (loss) from disposition of discontinued operations, net of related tax effect, per each share of common stock outstanding during the reporting period. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 28 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph b(1) false 62 Discontinued operations 6 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 35000000 35 false false false 2 false true false false -6000000 -6 false false false 3 false true false false 35000000 35 false false false 4 false true false false -9000000 -9 false false false xbrli:monetaryItemType monetary This element represents the overall income (loss) from a disposal group apportioned to the parent that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items and the cumulative effect of accounting changes after deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. 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No authoritative reference available. true 64 Weighted average number of shares 4 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration No definition available. false false false false false false false false false false false false 1 false true false false 182000000 182 false false false 2 false true false false 180000000 180 false false false 3 false true false false 182000000 182 false false false 4 false true false false 179000000 179 false false false xbrli:sharesItemType shares Number of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 false 65 Weighted average number of shares assuming dilution 4 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration No definition available. false false false false false false false false false false false false 1 false true false false 189000000 189 false false false 2 false true false false 183000000 183 false false false 3 false true false false 188000000 188 false false false 4 false true false false 182000000 182 false false false xbrli:sharesItemType shares The average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period. 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