| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
| 1 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:CashAndCashEquivalentsFairValueDisclosure | 2 |
| 2 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:LongTermInvestments | 2 |
| 3 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:ShortTermInvestments | 2 |
| 4 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:MarketableSecurities | 1 |
| 5 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:OtherAssetsFairValueDisclosure | 1 |
| 6 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:InvestmentsNetAssetValue | 1 |
| 7 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:HeldToMaturitySecuritiesFairValue | 1 |
| 8 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:DefinedBenefitPlanFairValueOfPlanAssets | 1 |
| 9 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:CashCashEquivalentsAndShortTermInvestments | 1 |
| 10 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:AvailableForSaleSecuritiesEquitySecurities | 1 |
| 11 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent | 1 |
| 12 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue | 1 |
| 13 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue | 1 |
| 14 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:AvailableForSaleSecurities | 1 |
| 15 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:SaleLeasebackTransactionHistoricalCost | 1 |
| 16 | us-gaap:InvestmentsFairValueDisclosure | lrcx:ShortTermInvestmentsFairValueDisclosure | 1 |
| 17 | us-gaap:InvestmentsFairValueDisclosure | us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax | 1 |
| 18 | us-gaap:InvestmentsFairValueDisclosure | lrcx:RestrictedCashFairValueDisclosure | 1 |
| 19 | us-gaap:InvestmentsFairValueDisclosure | lrcx:InvestmentsUnrealizedLoss | 1 |
| 20 | us-gaap:InvestmentsFairValueDisclosure | lrcx:InvestmentsUnrealizedGain | 1 |
| 21 | us-gaap:InvestmentsFairValueDisclosure | lrcx:InvestmentsAmortizedCost | 1 |
| 22 | us-gaap:InvestmentsFairValueDisclosure | rell:BankTimeDepositsFairValueDisclosure | 1 |