Software Development (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Software development:
Software development costs	$ 892		$ 892		$ 660
Amortization:
Amortization of capitalized software development costs	$ 60	$ 87	$ 139	$ 199

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