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Collateral and Contractual Commitments for the Acquisition of Property, Plant and Equipment, Loans to Customers and Other - Additional Information (Detail) shares in Millions, R in Millions, $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 USD ($) shares | Jun. 30, 2020 ZAR (R) shares | Jun. 30, 2020 ZAR (R)
Facilitation And Notional Vendor Funding [Member] |  |  |
Disclosure of collateral and contractual commitments [line items] |  |  |
Number Of Shares Settlement | 65 | 65 |
Estimated obligation | $ 3,000 |  | R 55,000
SABMiller [Member] |  |  |
Disclosure of collateral and contractual commitments [line items] |  |  |
Sale or issue of treasury shares for settlement of obligation | $ 491 | R 86 |
SABMiller [Member] | Treasury shares [member] |  |  |
Disclosure of collateral and contractual commitments [line items] |  |  |
Number Of Shares Settlement | 108 | 108 |
SABMiller [Member] | Sab Zenzele Holdings [Member] |  |  |
Disclosure of collateral and contractual commitments [line items] |  |  |
Percentage Of Obligations Due To Be Settled To The The Beneficiaries Of The Share Scheme | 77.40% |  | 77.40%
SABMiller [Member] | Sab Zenzele Holdings [Member] | Settlement To Be Made To The Beneficiaries Of The Share Scheme Due To Outbreak Of Pandemic [Member] |  |  |
Disclosure of collateral and contractual commitments [line items] |  |  |
Percentage Of Obligations Due To Be Settled To The The Beneficiaries Of The Share Scheme | 22.60% |  | 22.60%

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- Definition The increase in equity resulting from the sale or issue of treasury shares. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_106_d&doctype=Standard -URIDate 2019-03-27 + Details
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