<SEC-DOCUMENT>0001193125-19-312824-index.html : 20191212
<SEC-HEADER>0001193125-19-312824.hdr.sgml : 20191212
<ACCEPTANCE-DATETIME>20191212165610
ACCESSION NUMBER:		0001193125-19-312824
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20191212
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20191212
DATE AS OF CHANGE:		20191212

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COSTCO WHOLESALE CORP /NEW
		CENTRAL INDEX KEY:			0000909832
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-VARIETY STORES [5331]
		IRS NUMBER:				911223280
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			0902

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20355
		FILM NUMBER:		191282449

	BUSINESS ADDRESS:	
		STREET 1:		999 LAKE DRIVE
		CITY:			ISSAQUAH
		STATE:			WA
		ZIP:			98027-
		BUSINESS PHONE:		4253138100

	MAIL ADDRESS:	
		STREET 1:		999 LAKE DRIVE
		CITY:			ISSAQUAH
		STATE:			WA
		ZIP:			98027

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COSTCO COMPANIES INC
		DATE OF NAME CHANGE:	19970401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRICE/COSTCO INC
		DATE OF NAME CHANGE:	19930728
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d826784d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d826784d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d826784dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d826784dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>cost-20191212.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 3 - file: cost-20191212.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>cost-20191212_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 4 - file: cost-20191212_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>cost-20191212_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 5 - file: cost-20191212_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g826784g1213003933040.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g826784g1213003933040.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
<FILENAME>d826784d8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 7 - file: d826784d8k_htm.html

Document 7 - RAW XML: d826784d8k_htm.xml

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>8
<FILENAME>0001193125-19-312824-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 8 - file: 0001193125-19-312824-xbrl.zip

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 9 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: FilingSummary.html

Document 13 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>14
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>16
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: Financial_Report.xlsx

</DOCUMENT>
</SEC-DOCUMENT>