| Name | LongTermContractsOrProgramsDisclosureTextBlock |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Long-term Contracts or Programs Disclosure [Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The entire disclosure for long-term contracts or programs. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | MU 2019-01:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2020 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2019-12 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 210 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/topic&trid=2122208 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 605 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 35 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/subtopic&trid=2197326 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 912 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/topic&trid=2145070 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 910 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 20 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (a) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=6471471&loc=d3e48698-109348 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 210 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | S99 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (SX 210.5-02(3)(c)(2)) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Topic | 910 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Paragraph | 5 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Subparagraph | (b) | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| URI | http://asc.fasb.org/extlink&oid=119991564&loc=SL119991590-234733 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Topic | 910 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Paragraph | 4 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Subparagraph | (b) | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| URI | http://asc.fasb.org/extlink&oid=119991564&loc=SL119991585-234733 | http://fasb.org/us-gaap/role/ref/otherTransitionRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:CostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:ReceivablesLongTermContractsOrProgramsAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:BilledAndUnbilledContractClaimsSubjectToUncertaintyAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:ContractTerminationClaimsAndLoansAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:LossOnContractTermination | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:LossOnContractTerminationForDefault | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:ProvisionForLossOnContracts | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:InventoryForLongTermContractsOrProgramsAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:PreproductionCostsRelatedToLongTermSupplyArrangementsAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:PrerequisitesForBillingLongTermContracts | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:GovernmentContractReceivable | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:GovernmentContractReceivableProgessPaymentsOffset | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:AdvancePaymentsNettedAgainstClaimReceivable | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:ConstructionContractorLiquidityCharacteristic | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:ReceivablesLongTermContractsOrPrograms | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:UnbilledReceivablesNotBillableAtBalanceSheetDate | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors | |
us-gaap:UnbilledReceivablesNotBillableAtBalanceSheetDateAmountExpectedToBeCollectedAfterOneYear | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DisclosureTextBlockAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList | |
us-gaap:ContractorsAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Contractors |