Goodwill and Other Intangible Assets - Schedule of Carrying Values of Intangible Assets and Related Accumulated Amortization (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Channel Distribution Agreements [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite lived intangible assets, accumulated amortization		$ 76
Publishing Rights [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite lived intangible assets, accumulated amortization	$ 213	181
Publishing Rights [Member] | Minimum [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset Useful Life	4 years
Publishing Rights [Member] | Maximum [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset Useful Life	30 years
Customer Relationships [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite lived intangible assets, accumulated amortization	$ 447	399
Customer Relationships [Member] | Minimum [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset Useful Life	2 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset Useful Life	25 years
Other [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite lived intangible assets, accumulated amortization	$ 87	$ 83
Other [Member] | Minimum [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset Useful Life	2 years
Other [Member] | Maximum [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset Useful Life	15 years