XML 35 R22.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Aug. 28, 2016
Accounting Policies [Abstract] |
Schedule of Receivables, Net | Receivables consist of the following at the end of 2016 and 2015:
| 2016 |  | 2015
Vendor receivables | $ | 755 |  |  | $ | 729 |
Reinsurance receivables | 270 |  |  | 273 |
Third-party pharmacy receivables | 99 |  |  | 103 |
Other receivables, net | 128 |  |  | 119 |
Receivables, net | $ | 1,252 |  |  | $ | 1,224 |
Schedule of Merchandise Inventories | Merchandise inventories consist of the following at the end of 2016 and 2015:
| 2016 |  | 2015
United States | $ | 6,422 |  |  | $ | 6,427 |
Foreign | 2,547 |  |  | 2,481 |
Merchandise inventories | $ | 8,969 |  |  | $ | 8,908 |
Schedule of Other Current Liabilities | Other current liabilities consist of the following at the end of 2016 and 2015:
| 2016 |  | 2015
Accrued sales, income, and other taxes | $ | 532 |  |  | $ | 490 |
Insurance-related liabilities | 401 |  |  | 396 |
Deferred sales | 365 |  |  | 299 |
Cash card liability | 254 |  |  | 201 |
Returns reserve | 137 |  |  | 124 |
Other | 314 |  |  | 185 |
Other current liabilities | $ | 2,003 |  |  | $ | 1,695 |

X
- Definition Schedule itemizing specific types of trade accounts and notes receivable at the net carrying value as of the balance sheet date. + References No definition available. + Details
Name: | cost_ScheduleOfReceivablesNetTableTextBlock
Namespace Prefix: | cost_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other current liabilities. + References No definition available. + Details
Name: | us-gaap_OtherCurrentLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration