Financial Instruments and Fair Value Measurements - Additional Information (Detail) $ in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 AUD ($)
Cross currency interest rate derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative gain, net	$ 5
Estimates of net derivative loss related to cash flow hedges included in Accumulated other comprehensive loss	0
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		$ 3
Cross currency interest rate derivatives | Cash Flow Hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional value of derivative	49
Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative gain, net	7
Estimates of net derivative gains related to cash flow hedges included in Accumulated other comprehensive loss	16
Interest Rate Contract | Cash Flow Hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional value of derivative	494
Interest Rate Contract | Cash Flow Hedging | Foxtel
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional value of derivative			$ 610
Foreign Exchange Contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimates of net derivative loss related to cash flow hedges included in Accumulated other comprehensive loss	3
Foreign Exchange Contract | Cash Flow Hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional value of derivative	$ 58
Foreign Exchange Contract | Cash Flow Hedging | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term of contract	1 year
Foxtel | Cash Flow Hedging | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed interest rate of derivative	4.248%		4.248%
Foxtel | Cash Flow Hedging | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed interest rate of derivative	4.313%		4.313%
Foxtel | Cross currency interest rate derivatives | Cash Flow Hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset, notional amount	$ 49
Fixed interest rate of derivative	4.375%		4.375%
Foxtel | Interest Rate Swap | Cash Flow Hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset, notional amount			$ 610