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Debt - Schedule of Short Term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Jun. 30, 2020
Short-term Debt [Line Items]    
Short-term Debt $ 98 $ 195
Bank loans    
Short-term Debt [Line Items]    
Short-term Debt 45 184
Bank overdrafts    
Short-term Debt [Line Items]    
Short-term Debt $ 53 $ 11