Consolidated Balance Sheets (USD $) In Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 999	$ 753
Restricted cash	78	53
Accounts receivable, net of allowance for doubtful accounts of $39 and $45	584	513
Inventories	848	802
Securitized vacation ownership notes receivable, net of allowance for doubtful accounts of $9 and $10	56	59
Prepaid expenses and other	185	126
Total current assets	2,750	2,306
Investments	294	312
Plant, property and equipment, net	3,129	3,323
Assets held for sale	0	0
Goodwill and intangible assets, net	2,047	2,067
Deferred tax assets	988	979
Other assets	440	381
Securitized vacation ownership notes receivable	351	408
Total assets	9,999	9,776
Current liabilities:
Short-term borrowings and current maturities of long-term debt	612	9
Accounts payable	140	138
Current maturities of long-term securitized vacation ownership debt	121	127
Accrued expenses	1,226	1,104
Accrued salaries, wages and benefits	341	410
Accrued taxes and other	302	373
Total current liabilities	2,742	2,161
Long-term debt	2,188	2,848
Long-term securitized debt	301	367
Deferred income taxes	30	28
Other liabilities	1,935	1,886
Total liabilities	7,196	7,290
Commitments and contingencies
Stockholders' equity:
Common stock; $0.01 par value; authorized 1,000,000,000 shares; outstanding 195,461,305 and 192,970,437 shares at June 30, 2011 and December 31, 2010, respectively	2	2
Additional paid-in capital	901	805
Accumulated other comprehensive loss	(207)	(283)
Retained earnings	2,106	1,947
Total Starwood stockholders' equity	2,802	2,471
Noncontrolling interest	1	15
Total equity	2,803	2,486
Liabilities and Stockholders' Equity	$ 9,999	$ 9,776