Operating Segments and Geographic Regions (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	3
Share-based compensation liability	$ 194
Segment net revenues	8,354	$ 8,419	$ 6,388
Segment operating income	3,259	2,734	1,607
Net effect from recognition (deferral) of deferred net revenues	(449)	333	(101)
Total consolidated net revenues	8,803	8,086	6,489
Share-based compensation expense	(508)	(218)	(166)
Amortization of intangible assets	(11)	(80)	(204)
Restructuring and related costs (Note 17)	(77)	(94)	(132)
Interest and other expense (income), net	95	87	(26)
Loss on extinguishment of debt	0	31	0
Income before income tax expense	3,164	2,616	1,633
Long-lived assets	406	453	485
Americas
Segment Reporting Information [Line Items]
Segment net revenues	4,643	4,719	3,297
Net effect from recognition (deferral) of deferred net revenues	(288)	285	(44)
Total consolidated net revenues	4,931	4,434	3,341
Long-lived assets	264	270	322
EMEA
Segment Reporting Information [Line Items]
Segment net revenues	2,661	2,739	2,192
Net effect from recognition (deferral) of deferred net revenues	(136)	59	(47)
Total consolidated net revenues	2,797	2,680	2,239
Long-lived assets	122	166	142
Asia Pacific
Segment Reporting Information [Line Items]
Segment net revenues	1,050	961	899
Net effect from recognition (deferral) of deferred net revenues	(25)	(11)	(10)
Total consolidated net revenues	1,075	972	909
Long-lived assets	$ 20	$ 17	$ 21
US | Geographic Concentration Risk | Revenues
Segment Reporting Information [Line Items]
Percentage of concentration risk	49.00%	48.00%	46.00%
UK | Geographic Concentration Risk | Revenues
Segment Reporting Information [Line Items]
Percentage of concentration risk	11.00%	12.00%	12.00%
Digital online channels
Segment Reporting Information [Line Items]
Segment net revenues	$ 7,242	$ 7,122	$ 4,928
Net effect from recognition (deferral) of deferred net revenues	(421)	464	(4)
Total consolidated net revenues	7,663	6,658	4,932
Retail channels
Segment Reporting Information [Line Items]
Segment net revenues	437	629	814
Net effect from recognition (deferral) of deferred net revenues	(42)	(112)	(95)
Total consolidated net revenues	479	741	909
Other
Segment Reporting Information [Line Items]
Segment net revenues	675	668	646
Net effect from recognition (deferral) of deferred net revenues	14	(19)	(2)
Total consolidated net revenues	661	687	648
Console
Segment Reporting Information [Line Items]
Segment net revenues	2,383	2,916	1,866
Net effect from recognition (deferral) of deferred net revenues	(254)	132	(54)
Total consolidated net revenues	2,637	2,784	1,920
PC
Segment Reporting Information [Line Items]
Segment net revenues	2,095	2,235	1,665
Net effect from recognition (deferral) of deferred net revenues	(228)	179	(53)
Total consolidated net revenues	2,323	2,056	1,718
Mobile and ancillary
Segment Reporting Information [Line Items]
Segment net revenues	3,201	2,600	2,211
Net effect from recognition (deferral) of deferred net revenues	19	41	8
Total consolidated net revenues	3,182	2,559	2,203
Other
Segment Reporting Information [Line Items]
Segment net revenues	675	668	646
Net effect from recognition (deferral) of deferred net revenues	14	(19)	(2)
Total consolidated net revenues	661	687	648
Reportable segments
Segment Reporting Information [Line Items]
Segment net revenues	7,885	8,011	5,969
Segment operating income	3,505	3,418	2,054
Reportable segments | Net revenues from external customers
Segment Reporting Information [Line Items]
Segment net revenues	7,791	7,900	5,926
Reportable segments | Intersegment net revenues
Segment Reporting Information [Line Items]
Segment net revenues	94	111	43
Reportable segments | Activision
Segment Reporting Information [Line Items]
Segment net revenues	3,478	3,942	2,219
Segment operating income	1,667	1,868	850
Net effect from recognition (deferral) of deferred net revenues	(298)	253	32
Total consolidated net revenues	3,776	3,689	2,187
Reportable segments | Activision | Americas
Segment Reporting Information [Line Items]
Segment net revenues	2,248	2,544	1,302
Net effect from recognition (deferral) of deferred net revenues	(198)	228	16
Total consolidated net revenues	2,446	2,316	1,286
Reportable segments | Activision | EMEA
Segment Reporting Information [Line Items]
Segment net revenues	896	1,097	703
Net effect from recognition (deferral) of deferred net revenues	(80)	36	12
Total consolidated net revenues	976	1,061	691
Reportable segments | Activision | Asia Pacific
Segment Reporting Information [Line Items]
Segment net revenues	334	301	214
Net effect from recognition (deferral) of deferred net revenues	(20)	(11)	4
Total consolidated net revenues	354	312	210
Reportable segments | Activision | Net revenues from external customers
Segment Reporting Information [Line Items]
Segment net revenues	3,478	3,942	2,219
Reportable segments | Activision | Intersegment net revenues
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Reportable segments | Activision | Digital online channels
Segment Reporting Information [Line Items]
Segment net revenues	3,023	3,295	1,488
Net effect from recognition (deferral) of deferred net revenues	(264)	365	122
Total consolidated net revenues	3,287	2,930	1,366
Reportable segments | Activision | Retail channels
Segment Reporting Information [Line Items]
Segment net revenues	415	590	728
Net effect from recognition (deferral) of deferred net revenues	(34)	(112)	(90)
Total consolidated net revenues	449	702	818
Reportable segments | Activision | Other
Segment Reporting Information [Line Items]
Segment net revenues	40	57	3
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	40	57	3
Reportable segments | Activision | Console
Segment Reporting Information [Line Items]
Segment net revenues	2,254	2,808	1,747
Net effect from recognition (deferral) of deferred net revenues	(248)	140	(36)
Total consolidated net revenues	2,502	2,668	1,783
Reportable segments | Activision | PC
Segment Reporting Information [Line Items]
Segment net revenues	578	646	355
Net effect from recognition (deferral) of deferred net revenues	(82)	64	57
Total consolidated net revenues	660	582	298
Reportable segments | Activision | Mobile and ancillary
Segment Reporting Information [Line Items]
Segment net revenues	606	431	114
Net effect from recognition (deferral) of deferred net revenues	32	49	11
Total consolidated net revenues	574	382	103
Reportable segments | Activision | Other
Segment Reporting Information [Line Items]
Segment net revenues	40	57	3
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	40	57	3
Reportable segments | Blizzard
Segment Reporting Information [Line Items]
Segment net revenues	1,827	1,905	1,719
Segment operating income	698	693	464
Net effect from recognition (deferral) of deferred net revenues	(148)	102	(133)
Total consolidated net revenues	1,975	1,803	1,852
Reportable segments | Blizzard | Americas
Segment Reporting Information [Line Items]
Segment net revenues	797	852	760
Net effect from recognition (deferral) of deferred net revenues	(79)	58	(62)
Total consolidated net revenues	876	794	822
Reportable segments | Blizzard | EMEA
Segment Reporting Information [Line Items]
Segment net revenues	573	593	486
Net effect from recognition (deferral) of deferred net revenues	(65)	43	(57)
Total consolidated net revenues	638	550	543
Reportable segments | Blizzard | Asia Pacific
Segment Reporting Information [Line Items]
Segment net revenues	457	460	473
Net effect from recognition (deferral) of deferred net revenues	(4)	1	(14)
Total consolidated net revenues	461	459	487
Reportable segments | Blizzard | Net revenues from external customers
Segment Reporting Information [Line Items]
Segment net revenues	1,733	1,794	1,676
Reportable segments | Blizzard | Intersegment net revenues
Segment Reporting Information [Line Items]
Segment net revenues	94	111	43
Reportable segments | Blizzard | Digital online channels
Segment Reporting Information [Line Items]
Segment net revenues	1,733	1,774	1,452
Net effect from recognition (deferral) of deferred net revenues	(140)	102	(128)
Total consolidated net revenues	1,873	1,672	1,580
Reportable segments | Blizzard | Retail channels
Segment Reporting Information [Line Items]
Segment net revenues	22	39	86
Net effect from recognition (deferral) of deferred net revenues	(8)	0	(5)
Total consolidated net revenues	30	39	91
Reportable segments | Blizzard | Other
Segment Reporting Information [Line Items]
Segment net revenues	72	92	181
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	72	92	181
Reportable segments | Blizzard | Console
Segment Reporting Information [Line Items]
Segment net revenues	129	108	119
Net effect from recognition (deferral) of deferred net revenues	(6)	(8)	(18)
Total consolidated net revenues	135	116	137
Reportable segments | Blizzard | PC
Segment Reporting Information [Line Items]
Segment net revenues	1,528	1,604	1,236
Net effect from recognition (deferral) of deferred net revenues	(145)	115	(110)
Total consolidated net revenues	1,673	1,489	1,346
Reportable segments | Blizzard | Mobile and ancillary
Segment Reporting Information [Line Items]
Segment net revenues	98	101	183
Net effect from recognition (deferral) of deferred net revenues	3	(5)	(5)
Total consolidated net revenues	95	106	188
Reportable segments | Blizzard | Other
Segment Reporting Information [Line Items]
Segment net revenues	72	92	181
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	72	92	181
Reportable segments | King
Segment Reporting Information [Line Items]
Segment net revenues	2,580	2,164	2,031
Segment operating income	1,140	857	740
Net effect from recognition (deferral) of deferred net revenues	(17)	(3)	2
Total consolidated net revenues	2,597	2,167	2,029
Reportable segments | King | Americas
Segment Reporting Information [Line Items]
Segment net revenues	1,653	1,383	1,256
Net effect from recognition (deferral) of deferred net revenues	(11)	(1)	2
Total consolidated net revenues	1,664	1,384	1,254
Reportable segments | King | EMEA
Segment Reporting Information [Line Items]
Segment net revenues	660	567	557
Net effect from recognition (deferral) of deferred net revenues	(5)	(1)	0
Total consolidated net revenues	665	568	557
Reportable segments | King | Asia Pacific
Segment Reporting Information [Line Items]
Segment net revenues	267	214	218
Net effect from recognition (deferral) of deferred net revenues	(1)	(1)	0
Total consolidated net revenues	268	215	218
Reportable segments | King | Net revenues from external customers
Segment Reporting Information [Line Items]
Segment net revenues	2,580	2,164	2,031
Reportable segments | King | Intersegment net revenues
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Reportable segments | King | Digital online channels
Segment Reporting Information [Line Items]
Segment net revenues	2,580	2,164	2,031
Net effect from recognition (deferral) of deferred net revenues	(17)	(3)	2
Total consolidated net revenues	2,597	2,167	2,029
Reportable segments | King | Retail channels
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Reportable segments | King | Other
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Reportable segments | King | Console
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Reportable segments | King | PC
Segment Reporting Information [Line Items]
Segment net revenues	83	96	117
Net effect from recognition (deferral) of deferred net revenues	(1)	0	0
Total consolidated net revenues	84	96	117
Reportable segments | King | Mobile and ancillary
Segment Reporting Information [Line Items]
Segment net revenues	2,497	2,068	1,914
Net effect from recognition (deferral) of deferred net revenues	(16)	(3)	2
Total consolidated net revenues	2,513	2,071	1,912
Reportable segments | King | Other
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments
Segment Reporting Information [Line Items]
Segment net revenues	563	519	462
Net effect from recognition (deferral) of deferred net revenues	14	(19)	(2)
Total consolidated net revenues	549	538	464
Non-reportable segments | Americas
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | EMEA
Segment Reporting Information [Line Items]
Segment net revenues	563	519	462
Net effect from recognition (deferral) of deferred net revenues	14	(19)	(2)
Total consolidated net revenues	549	538	464
Non-reportable segments | Asia Pacific
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | Digital online channels
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | Retail channels
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | Other
Segment Reporting Information [Line Items]
Segment net revenues	563	519	462
Net effect from recognition (deferral) of deferred net revenues	14	(19)	(2)
Total consolidated net revenues	549	538	464
Non-reportable segments | Console
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | PC
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | Mobile and ancillary
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Non-reportable segments | Other
Segment Reporting Information [Line Items]
Segment net revenues	563	519	462
Net effect from recognition (deferral) of deferred net revenues	14	(19)	(2)
Total consolidated net revenues	549	538	464
Reconciliation items
Segment Reporting Information [Line Items]
Net effect from recognition (deferral) of deferred net revenues	449	(333)	101
Net effect from recognition (deferral) of deferred net revenues and related cost of revenues	347	(238)	52
Share-based compensation expense	(508)	(218)	(166)
Amortization of intangible assets	(10)	(79)	(203)
Restructuring and related costs (Note 17)	(77)	(94)	(137)
Discrete tax-related items	0	0	(17)
Reconciliation items | Other segments
Segment Reporting Information [Line Items]
Segment operating income	2	(55)	24
Elimination of intersegment revenues
Segment Reporting Information [Line Items]
Segment net revenues	(94)	(111)	(43)
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	(94)	(111)	(43)
Elimination of intersegment revenues | Americas
Segment Reporting Information [Line Items]
Segment net revenues	(55)	(60)	(21)
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	(55)	(60)	(21)
Elimination of intersegment revenues | EMEA
Segment Reporting Information [Line Items]
Segment net revenues	(31)	(37)	(16)
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	(31)	(37)	(16)
Elimination of intersegment revenues | Asia Pacific
Segment Reporting Information [Line Items]
Segment net revenues	(8)	(14)	(6)
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	(8)	(14)	(6)
Elimination of intersegment revenues | Digital online channels
Segment Reporting Information [Line Items]
Segment net revenues	(94)	(111)	(43)
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	(94)	(111)	(43)
Elimination of intersegment revenues | Retail channels
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Elimination of intersegment revenues | Other
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Elimination of intersegment revenues | Console
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Elimination of intersegment revenues | PC
Segment Reporting Information [Line Items]
Segment net revenues	(94)	(111)	(43)
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	(94)	(111)	(43)
Elimination of intersegment revenues | Mobile and ancillary
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	0	0	0
Elimination of intersegment revenues | Other
Segment Reporting Information [Line Items]
Segment net revenues	0	0	0
Net effect from recognition (deferral) of deferred net revenues	0	0	0
Total consolidated net revenues	$ 0	$ 0	$ 0