| Name | NewAccountingPronouncementsOrChangeInAccountingPrincipleTable |
|---|---|
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| Text | Lang | Role | Container role |
|---|---|---|---|
| Accounting Standards Update and Change in Accounting Principle [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | Accounting Changes:Taxonomy Technical Improvement; Film Costs; Improvements-Credit Losses; Long-duration Insurance; Share-Based Consideration to Customer; Tax Simplification | http://fasb.org/srt/role/changeNote/changeNote |
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| ChangeDate | 2019-12 | http://fasb.org/srt/role/changeNote/changeNote |
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| Source_ASU_Number | 2019-12 2019-11 2019-08 2019-02 2018-12 | http://fasb.org/srt/role/changeNote/changeNote |
| SourceName | Reference Project:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
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| ChangeDate | 2018-08 | http://fasb.org/srt/role/changeNote/changeNote |
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| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
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| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
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