KLA Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

DEBT - Senior Notes and Debt Redemption (Details)

DEBT - Senior Notes and Debt Redemption (Details) - USD ($) $ in Thousands	1 Months Ended					12 Months Ended
	Nov. 30, 2024	Jul. 31, 2022	Feb. 29, 2020	Oct. 31, 2019	Nov. 30, 2017	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024	Feb. 29, 2024	Jun. 30, 2022	Mar. 31, 2019	Nov. 30, 2014
Debt Instrument
Payment of revolving credit facility						$ 0	$ 750,000	$ 0
Senior notes
Debt Instrument
Payment of revolving credit facility		$ 500,000	$ 500,000	$ 250,000	$ 250,000
Redemption price						101.00%
Fair value disclosure						$ 5,480,000	5,540,000
Senior notes \| 2024 Senior Notes
Debt Instrument
Payment of revolving credit facility	$ 750,000
Debt instrument, face amount									$ 750,000
Senior notes \| Fixed-rate 4.700% Senior Notes due on February 1, 2034
Debt Instrument
Debt instrument, face amount									$ 500,000
Long-term debt, gross						$ 500,000	500,000
Stated interest rate						4.70%			4.70%
Senior notes \| Fixed-rate 4.950% Senior Notes due on July 15, 2052
Debt Instrument
Debt instrument, face amount									$ 250,000	$ 1,200,000
Long-term debt, gross						$ 1,450,000	1,450,000		$ 1,450,000
Stated interest rate						4.95%			4.95%	4.95%
Senior notes \| 2022 Senior Notes
Debt Instrument
Debt instrument, face amount										$ 3,000,000
Senior notes \| Fixed-rate 4.650% Senior Notes due on July 15, 2032
Debt Instrument
Debt instrument, face amount										$ 1,000,000
Long-term debt, gross						$ 1,000,000	1,000,000
Stated interest rate						4.65%				4.65%
Senior notes \| Fixed-rate 5.250% Senior Notes due on July 15, 2062
Debt Instrument
Debt instrument, face amount										$ 800,000
Long-term debt, gross						$ 800,000	800,000
Stated interest rate						5.25%				5.25%
Senior notes \| 2014 Senior Notes due 2024
Debt Instrument
Debt repurchase amount		$ 500,000
Loss on extinguishment of debt								$ 13,300
Senior notes \| Fixed-rate 3.300% Senior Notes due on March 1, 2050
Debt Instrument
Debt instrument, face amount			$ 750,000
Long-term debt, gross						$ 750,000	$ 750,000
Stated interest rate						3.30%
Senior notes \| 2019 Senior Notes
Debt Instrument
Debt instrument, face amount											$ 1,200,000
Senior notes \| 2014 Senior Notes
Debt Instrument
Debt instrument, face amount												$ 2,500,000
Interest Rate Swap
Debt Instrument
Derivative, notional amount						$ 2,000,000