Restructuring and Merger and Acquisition-Related Costs (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring Charges [Abstract]

Restructuring Reserve Rollforward

	Balance at			2017		2017				Balance at
	December 31, 2016			Charges		Settlements				December 31, 2017
Entertainment		$	20	$	44		$	(18	)		$	46
Cable Networks		4		—			(3		)		1
Publishing		1		5			(3		)		3
Local Media		12		12			(7		)		17
Corporate		2		2			(1		)		3
Total		$	39	$	63		$	(32	)		$	70

	Balance at			2016		2016				Balance at
	December 31, 2015			Charges		Settlements				December 31, 2016
Entertainment		$	19	$	16		$	(15	)		$	20
Cable Networks		—		4			—				4
Publishing		—		1			—				1
Local Media		11		6			(5		)		12
Corporate		1		3			(2		)		2
Total		$	31	$	30		$	(22	)		$	39