Operating Segments and Geographic Regions - Summary of Reportable Segment Net Revenues and Operating Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Segment net revenues	$ 1,829	$ 1,880	$ 4,948	$ 5,867
Segment operating income	485	824	1,302	2,578
Net effect from recognition (deferral) of deferred net revenues	47	(190)	(246)	(773)
Total net revenues	1,782	2,070	5,194	6,640
Restructuring and related costs	(2)	(3)	3	(46)
Interest and other (income) expense, net	(15)	65	16	52
Income before income tax expense	500	759	1,286	2,526
Employee
Segment Reporting Information [Line Items]
Share-based compensation expense	(25)		(54)
Reportable segments
Segment Reporting Information [Line Items]
Segment net revenues	1,715	1,786	4,699	5,626
Segment operating income	616	735	1,429	2,341
Reportable segments | Activision
Segment Reporting Information [Line Items]
Segment net revenues	480	641	1,423	2,321
Segment operating income	153	244	304	1,049
Net effect from recognition (deferral) of deferred net revenues	(53)	(153)	(421)	(676)
Total net revenues	533	794	1,844	2,997
Reportable segments | Blizzard
Segment Reporting Information [Line Items]
Segment net revenues	543	493	1,218	1,409
Segment operating income	166	188	314	537
Net effect from recognition (deferral) of deferred net revenues	96	(39)	170	(108)
Total net revenues	447	532	1,048	1,517
Reportable segments | King
Segment Reporting Information [Line Items]
Segment net revenues	692	652	2,058	1,896
Segment operating income	297	303	811	755
Net effect from recognition (deferral) of deferred net revenues	(1)	1	(2)	2
Total net revenues	693	651	2,060	1,894
Reportable segments | Net revenues from external customers
Segment Reporting Information [Line Items]
Segment net revenues	1,706	1,771	4,670	5,564
Reportable segments | Net revenues from external customers | Activision
Segment Reporting Information [Line Items]
Segment net revenues	480	641	1,423	2,321
Reportable segments | Net revenues from external customers | Blizzard
Segment Reporting Information [Line Items]
Segment net revenues	534	478	1,189	1,347
Reportable segments | Net revenues from external customers | King
Segment Reporting Information [Line Items]
Segment net revenues	692	652	2,058	1,896
Reportable segments | Intersegment net revenues
Segment Reporting Information [Line Items]
Segment net revenues	9	15	29	62
Reportable segments | Intersegment net revenues | Activision
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0	0
Reportable segments | Intersegment net revenues | Blizzard
Segment Reporting Information [Line Items]
Segment net revenues	9	15	29	62
Reportable segments | Intersegment net revenues | King
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0	0
Non-reportable segments
Segment Reporting Information [Line Items]
Segment net revenues	123	109	278	303
Net effect from recognition (deferral) of deferred net revenues	5	1	7	9
Total net revenues	118	108	271	294
Reconciliation items
Segment Reporting Information [Line Items]
Net effect from recognition (deferral) of deferred net revenues	(47)	190	246	773
Net effect from recognition (deferral) of deferred net revenues and related cost of revenues	(25)	154	210	562
Share-based compensation expense	(102)	(64)	(301)	(259)
Amortization of intangible assets	(6)	(2)	(9)	(8)
Restructuring and related costs	(2)	(3)	3	(46)
Merger and acquisition-related fees and other expenses	(10)	0	(58)	0
Reconciliation items | Other segments
Segment Reporting Information [Line Items]
Segment operating income	14	4	28	(12)
Elimination of intersegment revenues
Segment Reporting Information [Line Items]
Segment net revenues	(9)	(15)	(29)	(62)
Net effect from recognition (deferral) of deferred net revenues	0	0	0	0
Total net revenues	$ (9)	$ (15)	$ (29)	$ (62)