Intangible Assets, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, definite-lived intangible assets	$ 1,828	$ 2,445
Accumulated amortization, definite-lived intangible assets	(1,730)	(2,143)
Net carrying amount, definite-lived intangible assets	98	302
Acquired Indefinite-lived Intangible Assets [Line Items]
Net carrying amount, indefinite-lived intangible assets	433	433
Total intangible assets, net	531	735
Amortization expense disclosure
Amortization expense	204	371	$ 759
Activision trademark
Acquired Indefinite-lived Intangible Assets [Line Items]
Net carrying amount, indefinite-lived intangible assets	386	386
Acquired trade names
Acquired Indefinite-lived Intangible Assets [Line Items]
Net carrying amount, indefinite-lived intangible assets	47	47
Internally-developed franchises
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, definite-lived intangible assets	1,154	1,154
Accumulated amortization, definite-lived intangible assets	(1,105)	(1,032)
Net carrying amount, definite-lived intangible assets	$ 49	$ 122
Internally-developed franchises | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	3 years	3 years
Internally-developed franchises | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	11 years	11 years
Developed software
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, definite-lived intangible assets	$ 601	$ 601
Accumulated amortization, definite-lived intangible assets	(579)	(456)
Net carrying amount, definite-lived intangible assets	$ 22	$ 145
Developed software | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	2 years	2 years
Developed software | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years	5 years
Customer base
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life		2 years
Gross carrying amount, definite-lived intangible assets		$ 617
Accumulated amortization, definite-lived intangible assets		(617)
Net carrying amount, definite-lived intangible assets		0
Acquired trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, definite-lived intangible assets	$ 54	54
Accumulated amortization, definite-lived intangible assets	(30)	(23)
Net carrying amount, definite-lived intangible assets	$ 24	$ 31
Acquired trade names | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	7 years	7 years
Acquired trade names | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	10 years	10 years
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount, definite-lived intangible assets	$ 19	$ 19
Accumulated amortization, definite-lived intangible assets	(16)	(15)
Net carrying amount, definite-lived intangible assets	$ 3	$ 4
Other | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	1 year	1 year
Other | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	15 years	15 years