XML 242 R159.htm IDEA: XBRL DOCUMENT
v3.20.4

Post-employment benefits for associates (Details 7) - Other post-employment benefit plans | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of defined benefit plans [line items] |  |  |
Healthcare cost trend rate assumed for next year | 6.30% | 6.50% | 7.00%
Rate to which the cost trend rate is assumed to decline | 4.50% | 4.50% | 4.50%
Year that the rate reaches the ultimate trend rate | 2028 | 2028 | 2028

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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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- References No definition available. + Details
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Balance Type: | na
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- References No definition available. + Details
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- References No definition available. + Details
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- Details
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Namespace Prefix: |
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Period Type: |