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Financial instruments by category (Details 3)
$ in Millions
12 Months Ended
Jun. 30, 2022
USD ($)
Statement [Line Items]  
Balance $ 170
Currency translation adjustment (17)
Deconsolidation (207)
Gains and losses recognized in the year 54
Ending Balance 0
Investments In Financial Assets [Member] | Others Investment In Financial Assets [Member]  
Statement [Line Items]  
Balance 170
Currency translation adjustment (17)
Deconsolidation (207)
Gains and losses recognized in the year 54
Ending Balance $ 0