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Acquisitions - Acquisition-Date Fair Value of Consideration Transferred (Details) - Linear Technology Corporation [Member] - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		3 Months Ended	6 Months Ended
	Mar. 10, 2017	Apr. 29, 2017	Apr. 29, 2017	Jul. 26, 2016
Business Acquisition [Line Items]
Cash acquisition	$ 11,092,047
Issuance of common stock	4,593,655
Fair value of replacement share-based and cash awards	70,954
Total estimated purchase consideration	15,756,656
Number of shares issued (in shares)		2.8	2.8
Common Stock [Member]
Business Acquisition [Line Items]
Cash acquisition	$ 11,100,000
Share value (in dollars per share)	$ 82.20			$ 46
Number of shares issued (in shares)	55.9
Restricted Stock [Member]
Business Acquisition [Line Items]
Cash acquisition	$ 16,300