Additional Financial Information (Other, Net) (Parenthetical) (Details) $ in Millions	6 Months Ended
Dec. 31, 2016 USD ($)
Fox News Channel
Other Non Operating Income Expense [Line Items]
Costs related to settlements of claims arising out of allegations of sexual harrassment	$ 35

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

No definition available.

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration