Restructuring Programs - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost And Reserve [Line Items]
Payment for contract termination	$ 11	$ 65	$ 423
Restructuring reserve, current	15	20
Contract termination costs
Restructuring Cost And Reserve [Line Items]
Payment for contract termination	$ 3	4	397
Cable Network Programming And Television Segments \| USGA Programming Rights \| Contract termination costs
Restructuring Cost And Reserve [Line Items]
Restructuring charges		$ 35	425
Write-off of programming rights advances			75
Payment for contract termination			$ 320

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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