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Equity accounted investments - Joint ventures and associates segmentation (Details) - ZAR (R) R in Millions	Jun. 30, 2018	Jun. 30, 2017
Disclosure Of Investments Accounted For Using Equity Method [Line Items]
Investments in joint ventures and associates	R 10,991	R 11,813
Mining
Disclosure Of Investments Accounted For Using Equity Method [Line Items]
Investments in joint ventures and associates	1	1
Energy
Disclosure Of Investments Accounted For Using Equity Method [Line Items]
Investments in joint ventures and associates	9,667	8,603
Base Chemicals
Disclosure Of Investments Accounted For Using Equity Method [Line Items]
Investments in joint ventures and associates	1,164	3,038
Performance Chemicals
Disclosure Of Investments Accounted For Using Equity Method [Line Items]
Investments in joint ventures and associates	16	14
Group Functions
Disclosure Of Investments Accounted For Using Equity Method [Line Items]
Investments in joint ventures and associates	R 143	R 157

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- Definition

The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2017-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_e&doctype=Standard
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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.

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