Related Party Transactions and Twenty-First Century Fox, Inc. Investment (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Selling, General and Administrative Expenses [Member]
Related Party Transaction [Line Items]
General Corporate Expenses	$ 270	$ 310

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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