Acquisitions (Details) (USD $)	0 Months Ended
	Jul. 22, 2014	Jan. 31, 2015	Nov. 01, 2014	Jul. 22, 2014
Business Acquisition [Line Items]
Fair value of the consideration transferred totaled	$ 2,430,987,000
Short-term Debt	$ 2,000,000,000			$ 2,000,000,000
Common Stock, Par or Stated Value Per Share		$ 0.166667	$ 0.166667
Business Acquisition, Share Price	$ 78.00			$ 78.00
Hittite Inc [Member] [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Jul. 22, 2014
Common Stock, Par or Stated Value Per Share	$ 0.01			$ 0.01