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Financial Instruments (Schedule of Fair Value Gain Loss Derivative Instrument) (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Jun. 30, 2021
Fair Value Hedging | Interest Rate Swap    
Derivative [Line Items]    
Notional Amount $ 800 $ 200
Fair Value Gain/(Loss) (43) 1
Cash Flow Hedging | Foreign Currency Contracts    
Derivative [Line Items]    
Notional Amount 592 690
Fair Value Gain/(Loss) 4 1
Cash Flow Hedging | Currency Swap [Member]    
Derivative [Line Items]    
Notional Amount 633 833
Fair Value Gain/(Loss) $ 54 $ 40