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Financial risk management and financial instruments - Expected credit losses (Details) - ZAR (R) R in Millions | Jun. 30, 2022 | Jun. 30, 2021
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Receivables | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 547 | R 606
Receivables | Lifetime | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | 445 | 574
Receivables | Lifetime | Impairment | Significant increase in credit risk since initial recognition |  |
Detail on expected credit losses recognised |  |
Financial assets | 1 | 57
Receivables | Lifetime | Impairment | Simplified approach for trade receivables |  |
Detail on expected credit losses recognised |  |
Financial assets | 30 | 9
Receivables | Lifetime | Impairment | Credit impaired |  |
Detail on expected credit losses recognised |  |
Financial assets | 414 | 508
Receivables | 12-months | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 102 | R 32
Long-term receivables | AAA to A- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 51.00% | 58.00%
Long-term receivables | BBB to B- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 43.00% | 39.00%
Long-term receivables | CCC+ and below |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 6.00% | 3.00%
Long-term receivables | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 85 | R 91
Long-term receivables | Lifetime | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | 41 | 91
Long-term receivables | Lifetime | Impairment | Significant increase in credit risk since initial recognition |  |
Detail on expected credit losses recognised |  |
Financial assets |  | 50
Long-term receivables | Lifetime | Impairment | Credit impaired |  |
Detail on expected credit losses recognised |  |
Financial assets | 41 | R 41
Long-term receivables | 12-months | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 44 |
Trade receivable | AAA to A- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 73.00% | 72.00%
Trade receivable | BBB to B- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 24.00% | 25.00%
Trade receivable | CCC+ and below |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 3.00% | 3.00%
Trade receivable | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 131 | R 201
Trade receivable | Lifetime | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | 131 | 201
Trade receivable | Lifetime | Impairment | Simplified approach for trade receivables |  |
Detail on expected credit losses recognised |  |
Financial assets | 30 | 9
Trade receivable | Lifetime | Impairment | Credit impaired |  |
Detail on expected credit losses recognised |  |
Financial assets | R 101 | R 192
Other receivables | AAA to A- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 83.00% | 68.00%
Other receivables | BBB to B- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 15.00% | 27.00%
Other receivables | CCC+ and below |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 2.00% | 5.00%
Other receivables | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 331 | R 314
Other receivables | Lifetime | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | 273 | 282
Other receivables | Lifetime | Impairment | Significant increase in credit risk since initial recognition |  |
Detail on expected credit losses recognised |  |
Financial assets | 1 | 7
Other receivables | Lifetime | Impairment | Credit impaired |  |
Detail on expected credit losses recognised |  |
Financial assets | 272 | 275
Other receivables | 12-months | Impairment |  |
Detail on expected credit losses recognised |  |
Financial assets | R 58 | R 32
Cash and cash equivalents | AAA to A- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 18.00% | 21.00%
Cash and cash equivalents | BBB to B- |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 81.00% | 79.00%
Cash and cash equivalents | CCC+ and below |  |
Detail on expected credit losses recognised |  |
Percentage of financial assets at amortised cost | 1.00% |

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