Goodwill (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill	$ 9,765	$ 9,765
Activision
Goodwill [Line Items]
Goodwill	6,899	6,899
Blizzard
Goodwill [Line Items]
Goodwill	190	190
King
Goodwill [Line Items]
Goodwill	$ 2,676	$ 2,676

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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