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(the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F5","text":"On January 31, 2015, Mr. Slavik sold to certain family trusts equity interests constituting approximately 0.38% of Emerald Bay Ventures II, LLC (\"Emerald Bay\"), which owns 255,686 shares of common stock of W.W. Grainger, Inc. (the \"Company\")."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On January 31, 2015, Mr. Slavik sold to certain family trusts equity interests constituting approximately 0.38% of Emerald Bay Ventures II, LLC (\"Emerald Bay\"), which owns 255,686 shares of common stock of W.W. Grainger, Inc. (the \"Company\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Shares owned by Emerald Bay of which Mr. Slavik is a member and the sole manager. Mr. Slavik disclaims beneficial ownership of such shares except to the extent of his pecuniary interest."}],"balance_after":255686,"source":{"system":"sec-edgar","filing":"0001209191-17-006748","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/277135/000120919117006748/doc4.xml","form_type":"4"}},{"id":4505913,"issuer":{"id":2997,"kind":"organization","name":"W.W. GRAINGER, INC."},"owners":[{"id":151152,"kind":"person","name":"SLAVIK JAMES D","position":1,"cik":"0001194175","reported_name":"SLAVIK JAMES D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-01-04T13:09:13.000Z","date":"2016-12-31","kind":"sale","acquired":false,"shares":0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"On December 31, 2016, Mr. Slavik disposed of equity interests constituting approximately 17.46% of Emerald Bay Ventures II, LLC, which owns 255,686 shares of W.W. Grainger, Inc. common stock, via a private intra-family sale."},{"field":"shares","element":"transactionShares","label":"F5","text":"On December 31, 2016, Mr. Slavik disposed of equity interests constituting approximately 17.46% of Emerald Bay Ventures II, LLC, which owns 255,686 shares of W.W. Grainger, Inc. common stock, via a private intra-family sale."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"On December 31, 2016, Mr. Slavik disposed of equity interests constituting approximately 17.46% of Emerald Bay Ventures II, LLC, which owns 255,686 shares of W.W. Grainger, Inc. common stock, via a private intra-family sale."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Shares owned by Emerald Bay Ventures II, LLC, of which Mr. Slavik is the sole manager.  Mr. Slavik disclaims beneficial ownership of such shares except to the extent of his pecuniary interest."}],"balance_after":255686,"source":{"system":"sec-edgar","filing":"0001209191-17-000504","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/277135/000120919117000504/doc4.xml","form_type":"4"}},{"id":4538132,"issuer":{"id":2997,"kind":"organization","name":"W.W. GRAINGER, INC."},"owners":[{"id":151152,"kind":"person","name":"SLAVIK JAMES D","position":1,"cik":"0001194175","reported_name":"SLAVIK JAMES D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Units","published_at":"2016-12-01T21:57:05.000Z","date":"2016-12-01","kind":"grant","acquired":true,"shares":100,"price":230.57,"value":23057.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"1-for-1"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The stock units are expected to settle in shares of common stock on a one-for-one basis following termination of service as a director."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The stock units are expected to settle in shares of common stock on a one-for-one basis following termination of service as a director."}],"balance_after":19018,"derivative":{"underlying":"Common Stock","underlying_shares":100},"source":{"system":"sec-edgar","filing":"0001209191-16-152687","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/277135/000120919116152687/doc4.xml","form_type":"4"}}]}