XML 189 R171.htm IDEA: XBRL DOCUMENT
v3.21.1

23 Post-employment Benefits (Details 5) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Unified Plan [member] |  |
Disclosure of defined benefit plans [line items] |  |
Retired participants life expectancy | 12 years 4 months 17 days | 13 years 1 month 17 days
Pensioner participants life expectancy | 14 years 25 days | 8 years 4 months 24 days
Plan III [member] |  |
Disclosure of defined benefit plans [line items] |  |
Retired participants life expectancy | 23 years 1 month 28 days | 25 years 10 months 2 days
Pensioner participants life expectancy | 24 years 11 months 23 days | 25 years 10 months 2 days

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- Definition The amount refers to pensioner participants life expectancy. + References No definition available. + Details
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- Definition The amount refers to retired participants life expectancy. + References No definition available. + Details
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Balance Type: | na
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |