Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues
Owned, leased and consolidated joint venture hotels	$ 478	$ 437	$ 888	$ 818
Vacation ownership and residential sales and services	146	137	299	270
Management fees, franchise fees and other income	201	177	378	330
Other revenues from managed and franchised properties	601	538	1,156	1,058
Total Revenues	1,426	1,289	2,721	2,476
Costs and Expenses
Owned, leased and consolidated joint venture hotels	381	347	742	676
Vacation ownership and residential	112	103	223	204
Selling, general, administrative and other	88	92	168	168
Restructuring, goodwill impairment and other special charges (credits), net	0	(1)	0	(1)
Depreciation	60	66	120	132
Amortization	7	7	15	17
Other expenses from managed and franchised properties	601	538	1,156	1,058
Total Costs and Expenses	1,249	1,152	2,424	2,254
Operating income	177	137	297	222
Equity earnings (losses) and gains and (losses) from unconsolidated ventures, net	7	3	11	6
Interest expense, net of interest income of $0, $0, $1 and $1	(52)	(59)	(106)	(121)
Gain (loss) on asset dispositions and impairments, net	2	20	(31)	21
Income from continuing operations before taxes and noncontrolling interest	134	101	171	128
Income tax benefit (expense)	16	(22)	6	(21)
Income (loss) from continuing operations	150	79	177	107
Discontinued operations:
Income (loss) from operations, net of tax (benefit) expense of $0, $0, $0 and $0	0	(1)	0	(1)
Gain (loss) on dispositions, net of tax (benefit) expense of $1, $(34), $2 and (34)	(19)	36	(20)	36
Net income	131	114	157	142
Net loss (income) attributable to noncontrolling interests	0	0	2	2
Net income attributable to Starwood	131	114	159	144
Earnings (Losses) Per Share - Basic
Continuing operations	$ 0.79	$ 0.44	$ 0.95	$ 0.60
Discontinued operations	$ (0.1)	$ 0.19	$ (0.11)	$ 0.19
Net income	$ 0.69	$ 0.63	$ 0.84	$ 0.79
Earnings (Losses) Per Share - Diluted
Continuing operations	$ 0.77	$ 0.42	$ 0.92	$ 0.58
Discontinued operations	$ (0.09)	$ 0.19	$ (0.1)	$ 0.19
Net income	$ 0.68	$ 0.61	$ 0.82	$ 0.77
Amounts attributable to Starwood's Common Shareholders
Income (loss) from continuing operations	150	79	179	109
Discontinued operations	(19)	35	(20)	35
Net income	$ 131	$ 114	$ 159	$ 144
Weighted average number of shares	189	182	188	182
Weighted average number of shares assuming dilution	195	189	195	188

Gain(loss) after tax expense (benefit) 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.

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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.

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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.

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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.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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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.

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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.

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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.

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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.

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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.

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Total costs of sales and operating expenses for the period.

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The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

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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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The amount of net income or loss for the period per each share of common stock outstanding during the reporting period.

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The amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period.

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This element represents the income or loss from continuing operations attributable to the reporting entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items and cumulative effects of changes in accounting principles, but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests, if any.

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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.

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The amount of income (loss) from continuing operations per each share of common stock outstanding during the reporting period.

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The amount of income (loss) from continuing operations available to each share of common stock outstanding during the reporting period and each share that would have been outstanding assuming the issuance of common shares for all dilutive potential common shares outstanding during the reporting period.

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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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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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The amount of income (loss) from discontinued operations, net of related tax effect, per each diluted share of common stock outstanding during the reporting period.

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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.

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The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations.

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent.

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The net result for the period of deducting operating expenses from operating revenues.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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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.

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-Subsection 3, 4

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 1
-Article 5

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- Definition

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.

+ References

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

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph a

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 8

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- Definition

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.

+ References

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)
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-Subparagraph a

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 8

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