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Contingent liabilities (Tables) | 12 Months Ended
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Jun. 30, 2018
Text block1 [abstract] |
Summary of Contingent Liabilities |
|  | 2018 |  |  | 2017 |
|  | US$M |  |  | US$M |
Associates and joint ventures (1) |  |  | 1,588 |  |  |  | 1,784 |
Subsidiaries and joint operations (1) |  |  | 1,915 |  |  |  | 1,825 |
Total |  |  | 3,503 |  |  |  | 3,609 |
(1) | There are a number of matters, for which it is not possible at this time to provide a range of possible outcomes or a reliable estimate of potential future exposures, and for which no amounts have been included in the table above.

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