IndexInvestments and Other Noncurrent Assets [Text Block]
| Name | InvestmentsAndOtherNoncurrentAssetsTextBlock |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | dtr-types:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Investments and Other Noncurrent Assets [Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The entire disclosure for investments and other noncurrent assets. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
References
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2011 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:DisclosureTextBlockAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList |
| us-gaap:DisclosureTextBlockSupplementAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments |