XML 57 R41.htm IDEA: XBRL DOCUMENT
v3.22.1

Significant Accounting Policies (Details) $ in Millions |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 24, 2021 shares | Mar. 31, 2022 USD ($) shares | Mar. 31, 2022 USD ($) reporting_unit shares | Mar. 31, 2022 USD ($) segment shares | Mar. 31, 2022 USD ($) unit shares | Oct. 04, 2021 shares | Aug. 23, 2021 shares | Mar. 31, 2021 USD ($) shares
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Stock split, conversion ratio | 2 |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | 900,000,000 | 900,000,000 | 900,000,000 | 900,000,000 | 900,000,000 |  | 450,000,000 | 900,000,000
Stock split, additional share issued per share |  |  |  |  |  | 1 |  |
Likely realization upon settlement of income tax benefit |  | 50.00% | 50.00% | 50.00% | 50.00% |  |  |
Number of reporting units |  |  | 2 |  | 2 |  |  |
Amount of distributor advances, included in accounts receivable | $ |  | $ 170.0 | $ 170.0 | $ 170.0 | $ 170.0 |  |  | $ 104.8
Number of days requiring distributor to settle receivable balances (in days) |  | 30 days |  |  |  |  |  |
Number of operating segments | segment |  |  |  | 2 |  |  |  |
Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Product warranty |  | 12 months |  |  |  |  |  |
Useful life |  | 1 year |  |  |  |  |  |
Minimum | Building and building improvements |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  | 10 years |  |  |  |  |  |
Minimum | Machinery and equipment |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  | 5 years |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Product warranty |  | 24 months |  |  |  |  |  |
Useful life |  | 15 years |  |  |  |  |  |
Maximum | Building and building improvements |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  | 30 years |  |  |  |  |  |
Maximum | Machinery and equipment |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  | 7 years |  |  |  |  |  |

X
- Definition Amount Of Distributor Advances Included In Accounts Receivable + References No definition available. + Details
Name: | mchp_AmountOfDistributorAdvancesIncludedInAccountsReceivable
Namespace Prefix: | mchp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Income Tax Benefit, Tax Settlement, Likely Realization, Percent + References No definition available. + Details
Name: | mchp_IncomeTaxBenefitTaxSettlementLikelyRealizationPercent
Namespace Prefix: | mchp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of days requiring distributor to settle receivable balances, on a current basis, for amounts originally invoiced (in days) + References No definition available. + Details
Name: | mchp_NumberOfDaysRequiringDistributorToSettleReceivableBalances
Namespace Prefix: | mchp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Product Warranty, Period of Time + References No definition available. + Details
Name: | mchp_ProductWarrantyPeriodofTime
Namespace Prefix: | mchp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Split, Additional Shares Issued for Each Share Held + References No definition available. + Details
Name: | mchp_StockSplitAdditionalSharesIssuedForEachShareHeld
Namespace Prefix: | mchp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599 + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References No definition available. + Details
Name: | us-gaap_NumberOfReportingUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |