Software Development (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Software development:
Software development costs	$ 1,300		$ 1,300
Amortization:
Amortization of capitalized software development costs	$ 125	$ 79

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