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

Restructuring - Total Restructuring and Related Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	$ 22	$ 57	$ 0	$ 79	$ 0
Activision
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	2			11
Blizzard
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	13			39
King
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	6			13
Other segments
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	$ 1			$ 16