Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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- References

No definition available.

+ Details

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- Details

Name:	srt_CounterpartyNameAxis=atvi_BungieInc.DestinyPublishingRightsMember
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Description of Business (Details) $ in Millions	3 Months Ended								12 Months Ended
Description of Business (Details) $ in Millions	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Reportable Segments
Number of reportable segments \| segment									3
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues	$ 1,986	$ 1,282	$ 1,396	$ 1,825	$ 2,381	$ 1,512	$ 1,641	$ 1,965	$ 6,489	$ 7,500	$ 7,017
Operating income	$ 454	$ 247	$ 336	$ 570	$ 694	$ 265	$ 434	$ 595	$ 1,607	1,988	$ 1,309
Bungie, Inc. - Destiny Publishing Rights
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues										164
Operating income										$ 91