Software Development and Intellectual Property Licenses (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Software development and intellectual property licenses:
Software development costs	$ 722		$ 660
Amortization:
Amortization of capitalized software development costs and intellectual property licenses	$ 79	$ 112

Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products.

No definition available.

Name:	atvi_SoftwareDevelopmentCosts
Namespace Prefix:	atvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant