KLA Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Debt - Senior Notes (Details)

Debt - Senior Notes (Details) - USD ($)		3 Months Ended		6 Months Ended
Debt - Senior Notes (Details) - USD ($)	Nov. 19, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016	Nov. 30, 2014	Oct. 31, 2014
Debt Instrument
Cash dividends declared (in dollars per share)		$ 0.54	$ 0.52	$ 1.06	$ 1.04
Unamortized discount		$ 3,107,000		$ 3,107,000		$ 3,312,000
Treasury lock \| Derivatives designated as hedging instruments \| Cash flow hedge contracts \| Senior notes \| Portion of senior notes
Debt Instrument
Notional amount of derivative								$ 1,000,000,000.00
Special cash dividend
Debt Instrument
Cash dividends declared (in dollars per share)	$ 16.50
Cash dividends	$ 2,760,000,000
Senior notes
Debt Instrument
Face amount							$ 2,500,000,000.0
Decrease in credit rating, interest rate adjustment (in bps)				1.00%
Unamortized discount							4,000,000
Frequency of periodic payment				semi-annually
赎回价格(百分之一)				101.00%
Fair value disclosure		$ 2,620,000,000		$ 2,620,000,000		$ 2,680,000,000
Senior notes \| Treasury lock \| Derivatives Not Designated as Hedging Instruments \| 2018 Senior Notes
Debt Instrument
Notional amount of derivative							$ 750,000,000
Senior notes \| Standard & Poor's, BB plus Rating
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				0.25%
高级笔记\|标准普尔BB评级
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				0.50%
Senior notes \| Standard & Poor's, BB- Rating
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				0.75%
Senior notes \| Standard & Poor's, B Plus or Below
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				1.00%
Senior notes \| Moody's, Ba1 Rating
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				0.25%
Senior notes \| Moody's, Ba2 Rating
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				0.50%
Senior notes \| Moody's, Ba3 Rating
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				0.75%
Senior notes \| Moody's, B1 Rating
Debt Instrument
Decrease in credit rating, interest rate adjustment (in bps)				1.00%