v2.3.0.15
Consolidated Statements Of Equity And Comprehensive Income (USD $)
In Millions, except Share data
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Income [Member]
Retained Earnings [Member]
Total Costco Stockholders' Equity [Member]
Noncontrolling Interests [Member]
Total
BALANCE, value at Aug. 31, 2008$ 2$ 3,543$ 288$ 5,361$ 9,194$ 80$ 9,274
BALANCE, shares at Aug. 31, 2008432,513,000      
Comprehensive Income:       
Net income   1,0861,086131,099
Unrealized gain on short-term investments, net of tax  3 303
Foreign-currency translation adjustment and other  (181) (181)(4)(185)
Comprehensive income    9089917
Stock options exercised and release of vested restricted stock units, including tax effects, value075  75 75
Stock options exercised and release of vested restricted stock units, including tax effects, shares3,794,000      
Conversion of convertible notes, value019  19 19
Conversion of convertible notes, shares562,000      
Repurchases of common stock, value0(7) (50)(57) (57)
Repurchases of common stock, shares(895,000)     (895,000)
Stock-based compensation 181  181 181
Cash dividends   (296)(296) (296)
Distribution to noncontrolling interest     (9)(9)
BALANCE, value at Aug. 30, 200923,8111106,10110,0248010,104
BALANCE, shares at Aug. 30, 2009435,974,000      
Initial consolidation of noncontrolling interest in Costco Mexico      357
Comprehensive Income:       
Net income   1,3031,303201,323
Unrealized gain on short-term investments, net of tax  3 303
Foreign-currency translation adjustment and other  9 9110
Comprehensive income    1,315211,336
Stock options exercised and release of vested restricted stock units, including tax effects, value0205  205 205
Stock options exercised and release of vested restricted stock units, including tax effects, shares7,461,000      
Conversion of convertible notes, value01  1 1
Conversion of convertible notes, shares18,000      
Repurchases of common stock, value0(92) (476)(568) (568)
Repurchases of common stock, shares(9,943,000)     (9,943,000)
Stock-based compensation 190  190 190
Cash dividends   (338)(338) (338)
BALANCE, value at Aug. 29, 201024,1151226,59010,82910110,930
BALANCE, shares at Aug. 29, 2010433,510,000     433,510,000
Initial consolidation of noncontrolling interest in Costco Mexico    0357357
Comprehensive Income:       
Net income   1,4621,462801,542[1]
Unrealized gain on short-term investments, net of tax  1 101
Foreign-currency translation adjustment and other  250 25024274
Comprehensive income    1,7131041,817
Stock options exercised and release of vested restricted stock units, including tax effects, value0281  281 281
Stock options exercised and release of vested restricted stock units, including tax effects, shares9,630,000      
Conversion of convertible notes, value02  2 2
Conversion of convertible notes, shares65,000      
Repurchases of common stock, value0(89) (552)(641) (641)
Repurchases of common stock, shares(8,939,000)     (8,939,000)
Stock-based compensation 207  207 207
Cash dividends   (389)(389) (389)
Investment by noncontrolling interest     99
BALANCE, value at Aug. 28, 2011$ 2$ 4,516$ 373$ 7,111$ 12,002$ 571$ 12,573
BALANCE, shares at Aug. 28, 2011434,266,000     434,266,000
[1] As discussed in Note 1, the Company began consolidating Mexico on August 30, 2010.