KLA Corporation Annual report pursuant to Section 13 and 15(d)

EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Equity Incentive Plans General Information (Details)

EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Equity Incentive Plans General Information (Details) shares in Thousands	12 Months Ended
	Jun. 30, 2023 tranche $ / shares shares	Jun. 30, 2022 shares	Jun. 30, 2021 shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance as of beginning of period (in shares)	9,242	10,253	10,760
RSUs granted (in shares)	(1,601)	(1,152)	(761)
RSUs granted adjustment (in shares)		39	102
RSUs canceled (in shares)	120	102	152
Balance as of end of period (in shares)	7,761	9,242	10,253
Maximum number of shares available for grant (in shares)	7,761	9,242	10,253
RSUs, performance-based and service-based \| Senior Management
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance as of beginning of period (in shares)	200	200
Balance as of end of period (in shares)	600	200	200
Maximum number of shares available for grant (in shares)	600	200	200
RSUs, market-based and service-based
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Measurement price (in dollars per share) \| $ / shares	$ 116.39
Award vesting tranches \| tranche	3
Service period	5 years
RSUs, market-based and service-based \| Third anniversary
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Award vesting percentage	33.3333%
RSUs, market-based and service-based \| Fourth anniversary
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Award vesting percentage	33.3333%
RSUs, market-based and service-based \| Fifth anniversary
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Award vesting percentage	33.3333%
RSUs, market-based and service-based \| Vesting on third anniversary of grant date
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Total stockholder return percentage	150.00%
RSUs, market-based and service-based \| Vesting on fourth anniversary of grant date
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Total stockholder return percentage	175.00%
RSUs, market-based and service-based \| Vesting on fifth anniversary of grant date
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Total stockholder return percentage	200.00%
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Expected stock price volatility, minimum	27.80%
Expected stock price volatility, maximum	28.10%
Risk-free interest rate, minimum	2.30%
Risk-free interest rate, maximum	2.40%
Restricted stock units \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Dividend yield	2.40%
Restricted stock units \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Dividend yield	2.50%
Restricted stock units \| Third anniversary
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Service period	3 years
Restricted stock units \| Fourth anniversary
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Service period	4 years
Restricted stock units \| Fifth anniversary
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Service period	5 years
2004 Plan
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Impact on share reserve multiplier	2.0
2004 Plan \| RSUs, performance-based and service-based
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance as of end of period (in shares)	300
Maximum number of shares available for grant (in shares)	300
2004 Plan \| Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
RSUs granted (in shares)	(801)
RSUs canceled (in shares)	61