Name:	atvi_DebtInstrumentRedemptionPricePlusAccruedAndUnpaidInterestPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The amount the entity would be required to repurchase its unsecured notes at, expressed as a percentage of the principal, plus a make whole premium that would need to be paid in addition to the principal, for if the notes were to be redeemed earlier than the stated periods per the notes indenture.

No definition available.

Name:	atvi_DebtInstrumentRedemptionPricePlusMakeWholePremiumAndAccruedAndUnpaidInterestPercentage
Namespace Prefix:	atvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The amount the entity would be required to repurchase its unsecured notes at, expressed as a percentage of the principal, upon certain criteria.

No definition available.

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Data Type:	num:percentItemType
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Period Type:	instant

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Data Type:	xbrli:monetaryItemType
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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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-Subparagraph (SX 210.9-03(16))
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of unamortized debt discount (premium) and debt issuance costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Name:	us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_InterestExpenseDebtExcludingAmortization
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of interest payable on debt, including, but not limited to, trade payables.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 944
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Name:	us-gaap_InterestPayableCurrentAndNoncurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_DebtInstrumentAxis=atvi_NewNotesMember
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Name:	us-gaap_DebtInstrumentAxis=atvi_NotesMember
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Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=atvi_Unsecured2021NotesMember
Namespace Prefix:
Data Type:	na
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Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=atvi_Unsecured2022NotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=atvi_Unsecured2023NotesMember
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Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=atvi_Unsecured2026NotesMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=atvi_Unsecured2027NotesMember
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