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Investment properties (Details 3) - Level 3 [Member] ₪ in Millions, $ in Millions, $ in Millions | 12 Months Ended
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Jun. 30, 2018 USD ($) | Jun. 30, 2018 ILS (₪) | Jun. 30, 2018 ARS ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2017 ILS (₪) | Jun. 30, 2017 ARS ($)
Rental Property [Member] | ISRAEL | Offices [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | ₪ (1,556) |  |  | ₪ (1,040) |
Decreases in sensitivity analysis | ₪ | [1] |  | ₪ 1,864 |  |  | 1,193 |
Rental Property [Member] | ISRAEL | Offices [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] | Minimum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 7.00% | 7.00% | 7.00% |  |  |
Rental Property [Member] | ISRAEL | Offices [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] | Maximum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 9.00% | 9.00% | 9.00% |  |  |
Rental Property [Member] | ISRAEL | Offices [Member] | Discounted Cash Flow [Member] | Weighted Average Rental Value [Member] | Israel, New Shekels |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average rental value (per square meter) | ₪ |  |  | ₪ 63 |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | 3,037 |  |  | 1,772 |
Decreases in sensitivity analysis | ₪ | [1] |  | (3,037) |  |  | (1,772) |
Rental Property [Member] | ISRAEL | Commercial Use [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | (1,322) |  |  | (759) |
Decreases in sensitivity analysis | ₪ | [1] |  | ₪ 1,457 |  |  | 853 |
Rental Property [Member] | ISRAEL | Commercial Use [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] | Minimum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 7.00% | 7.00% | 7.00% |  |  |
Rental Property [Member] | ISRAEL | Commercial Use [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] | Maximum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 9.00% | 9.00% | 9.00% |  |  |
Rental Property [Member] | ISRAEL | Commercial Use [Member] | Discounted Cash Flow [Member] | Weighted Average Rental Value [Member] | Israel, New Shekels |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average rental value (per square meter) | ₪ |  |  | ₪ 87 |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | 1,640 |  |  | 1,003 |
Decreases in sensitivity analysis | ₪ | [1] |  | (1,640) |  |  | (1,003) |
Rental Property [Member] | ISRAEL | Industrial Use [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | (477) |  |  | (316) |
Decreases in sensitivity analysis | ₪ | [1] |  | ₪ 538 |  |  | 377 |
Rental Property [Member] | ISRAEL | Industrial Use [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] | Minimum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 7.75% | 7.75% | 7.75% |  |  |
Rental Property [Member] | ISRAEL | Industrial Use [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] | Maximum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 9.00% | 9.00% | 9.00% |  |  |
Rental Property [Member] | ISRAEL | Industrial Use [Member] | Discounted Cash Flow [Member] | Weighted Average Rental Value [Member] | Israel, New Shekels |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average rental value (per square meter) | ₪ |  |  | ₪ 31 |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | 996 |  |  | 599 |
Decreases in sensitivity analysis | ₪ | [1] |  | ₪ (996) |  |  | (599) |
Rental Property [Member] | UNITED STATES | HSBC Building (Offices) [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 6.25% | 6.25% | 6.25% |  |  |
Increases in sensitivity analysis | [1] | $ (1,212) |  |  | $ (715) |  |
Decreases in sensitivity analysis | [1] | 1,269 |  |  | 765 |  |
Rental Property [Member] | UNITED STATES | HSBC Building (Offices) [Member] | Discounted Cash Flow [Member] | Weighted Average Rental Value [Member] | US Dollar [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average rental value (per square meter) | ₪ |  |  | ₪ 73 |  |  |  |
Increases in sensitivity analysis | [1] | 2,654 |  |  | 1,497 |  |
Decreases in sensitivity analysis | [1] | $ (2,654) |  |  | (1,497) |  |
Rental Property [Member] | UNITED STATES | Las Vegas Project (Offices And Commercial Use) [Member] | Discounted Cash Flow [Member] | Discount Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 8.50% | 8.50% | 8.50% |  |  |
Increases in sensitivity analysis | [1] | $ (134) |  |  | (86) |  |
Decreases in sensitivity analysis | [1] | 141 |  |  | 91 |  |
Rental Property [Member] | UNITED STATES | Las Vegas Project (Offices And Commercial Use) [Member] | Discounted Cash Flow [Member] | Weighted Average Rental Value [Member] | US Dollar [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average rental value (per square meter) | ₪ |  |  | ₪ 33 |  |  |  |
Increases in sensitivity analysis | [1] | 301 |  |  | 200 |  |
Decreases in sensitivity analysis | [1] | $ (301) |  |  | $ (200) |  |
Shopping Malls [Member] | ARGENTINA | Discounted Cash Flow [Member] | Discount Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Discount rate |  | 9.79% | 9.79% | 9.79% |  |  |
Increases in sensitivity analysis | [1] |  |  | $ (5,046) |  |  | $ (3,948)
Decreases in sensitivity analysis | [1] |  |  | $ 6,796 |  |  | 5,445
Shopping Malls [Member] | ARGENTINA | Discounted Cash Flow [Member] | Growth Rate [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Growth rate |  | 3.00% | 3.00% | 3.00% |  |  |
Increases in sensitivity analysis | [1] |  |  | $ 3,104 |  |  | 2,464
Decreases in sensitivity analysis | [1] |  |  | (2,307) |  |  | (1,794)
Shopping Malls [Member] | ARGENTINA | Discounted Cash Flow [Member] | Inflation [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Inflation | [2] |  |  |  |  |  |
Increases in sensitivity analysis | [1] |  |  | 4,035 |  |  | 2,684
Decreases in sensitivity analysis | [1] |  |  | (3,643) |  |  | (2,425)
Shopping Malls [Member] | ARGENTINA | Discounted Cash Flow [Member] | Devaluation [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Devaluation rate | [2] |  |  |  |  |  |
Increases in sensitivity analysis | [1] |  |  | (6,554) |  |  | (4,703)
Decreases in sensitivity analysis | [1] |  |  | 9,831 |  |  | 7,054
Plot Of Land [Member] | ARGENTINA | Comparable With Incidence Adjustment [Member] | Weighted Average Rental Value [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average rental value (per square meter) |  |  |  | 9,200 |  |  |
Increases in sensitivity analysis | [1] |  |  | 64 |  |  | 18
Decreases in sensitivity analysis | [1] |  |  | $ 65 |  |  | (52)
Plot Of Land [Member] | ARGENTINA | Comparable With Incidence Adjustment [Member] | % of incidence [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Percentage of incidence |  | 3.00% | 3.00% | 3.00% |  |  |
Increases in sensitivity analysis | [1] |  |  | $ 2,165 |  |  | 1,168
Decreases in sensitivity analysis | [1] |  |  | $ (2,167) |  |  | $ (1,202)
Properties Under Development [Member] | ISRAEL | Estimated Fair Value Of Investment Property [Member] | Weighted Average Construction Cost [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  | ₪ (377) |  |  | (437) |
Decreases in sensitivity analysis | ₪ | [1] |  | 377 |  |  | 437 |
Properties Under Development [Member] | ISRAEL | Estimated Fair Value Of Investment Property [Member] | Weighted Average Construction Cost [Member] | Israel, New Shekels |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Weighted average construction cost (per square meter) | ₪ |  |  | 5,787 |  |  |  |
Increases in sensitivity analysis | ₪ | [1] |  |  |  |  |  |
Decreases in sensitivity analysis | ₪ | [1] |  |  |  |  |  |
Properties Under Development [Member] | ISRAEL | Estimated Fair Value Of Investment Property [Member] | Weighted Average Construction Cost [Member] | Minimum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Annual weighted average discount rate |  | 7.00% | 7.00% | 7.00% |  |  |
Properties Under Development [Member] | ISRAEL | Estimated Fair Value Of Investment Property [Member] | Weighted Average Construction Cost [Member] | Maximum [Member] |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |
Annual weighted average discount rate |  | 9.00% | 9.00% | 9.00% |  |  |
[1] | Considering an increase or decrease of: 100 points for the discount and growth rate in Argentina, 10% for the incidence and inflation, 20% for the devaluation, 50 points for the discount rate of Israel and USA, and 1% for the value of the m2.
[2] | For the next 5 years, an average AR$ / US$ exchange rate with an upward trend was considered, starting at Ps. 19.51 (corresponding to the year ended June 30, 2018) and arriving at Ps. 49.05. In the long term, a nominal devaluation rate of 5.6% calculated based on the quotient between inflation in Argentina and the United States is assumed. The considered inflation shows a downward trend, which starts at 25.0% (corresponding to the year ended June 30, 2018) and stabilizes at 8% after 10 years. These premises were determined at the closing date of the fiscal year.

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