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Financial Instruments and Fair Value Measurements - Additional Information (Detail)
$ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2022
AUD ($)
Foreign Exchange Contract          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Estimates of net derivative gain (loss) related to cash flow hedges included in Accumulated other comprehensive loss $ (1)   $ (1)    
Cross currency interest rate derivatives          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Notional value of derivative 280   280    
Estimates of net derivative gain (loss) related to cash flow hedges included in Accumulated other comprehensive loss 2   2    
Cross currency interest rate derivatives | Other , net          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Gain (loss) from discontinued cash flow hedges (12) $ 5 5 $ 7  
Interest Rate Swap          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Estimates of net derivative gain (loss) related to cash flow hedges included in Accumulated other comprehensive loss (2)   (2)    
Cash Flow Hedging | Foreign Exchange Contract          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Notional value of derivative 32   $ 32    
Cash Flow Hedging | Foreign Exchange Contract | Maximum          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Term of contract     1 year    
Cash Flow Hedging | Interest Rate Swap          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Notional value of derivative $ 500   $ 500    
Derivative, Fixed Interest Rate 2.083%   2.083%   2.083%
Cash Flow Hedging | Interest Rate Contract          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Notional value of derivative $ 500   $ 500    
Cash Flow Hedging | Interest Rate Contract | Foxtel          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Notional value of derivative         $ 550
Fair Value Hedging          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Notional value of derivative 70   70    
Fair Value Hedging | Accounting Standards Update 2017-12          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Adjustments increased the carrying value of long-term debt 0   0    
Amount recognized in earnings for ineffective portion of derivative instruments designated as cash flow hedges $ 0 $ 0 $ 1 $ 1