Description of business and basis of consolidation and presentation	3 Months Ended
Mar. 31, 2012
Description of business and basis of consolidation and presentation
Description of business and basis of consolidation and presentation	1. Description of business and basis of consolidation and presentation Description of Business Activision Blizzard, Inc. is a worldwide online, personal computer (“PC”), console, handheld, and mobile game publisher. The terms “Activision Blizzard,” the “Company,” “we,” “us,” and “our” are used to refer collectively to Activision Blizzard, Inc. and its subsidiaries. We maintain significant operations in the United States, Canada, the United Kingdom, France, Germany, Ireland, Italy, Sweden, Spain, the Netherlands, Australia, South Korea and China. The common stock of Activision Blizzard is traded on The NASDAQ Stock Market under the ticker symbol “ATVI.” Vivendi S.A. (“Vivendi”) owned approximately 61% of Activision Blizzard's outstanding common stock at March 31, 2012. Currently, we operate under three operating segments: Activision Publishing, Inc. Activision Publishing, Inc. (“Activision”) is a leading international developer and publisher of interactive software products and content. Activision develops games based on both internally-developed and licensed intellectual property. Activision markets and sells games it develops and, through our affiliate label program, games developed by certain third-party publishers. We sell games both through retail channels and by digital download. Activision currently offers games that operate on the Sony Computer Entertainment, Inc. (“Sony”) PlayStation 3 (“PS3”), Nintendo Co. Ltd. (“Nintendo”) Wii (“Wii”), and Microsoft Corporation (“Microsoft”) Xbox 360 (“Xbox 360”) console systems; the Nintendo Dual Screen handheld game systems; the PC; Apple iOS devices and other handheld and mobile devices. Blizzard Entertainment, Inc. Blizzard Entertainment, Inc. (“Blizzard”) is a leader in the subscription-based massively multi-player online role-playing game (“MMORPG”) category in terms of both subscriber base and revenues generated through its World of Warcraft® franchise, which it develops, hosts and supports. Blizzard also develops, markets and sells role-playing action and strategy PC-based computer games, including games in the multiple-award winning Diablo® and StarCraft® franchises. In addition, Blizzard maintains a proprietary online-game related service, Battle.net®. Blizzard distributes its products and generates revenues worldwide through various means, including: subscriptions (which consist of fees from individuals playing World of Warcraft, prepaid cards and other value-added service revenues such as realm transfers, faction changes, and other character customizations within World of Warcraft gameplay); retail sales of physical “boxed” products; online download sales of PC products; and licensing of software to third-party or related party companies that distribute World of Warcraft and StarCraft II®. Activision Blizzard Distribution Activision Blizzard Distribution (“Distribution”) consists of operations in Europe that provide warehousing, logistical and sales distribution services to third-party publishers of interactive entertainment software, our own publishing operations, and manufacturers of interactive entertainment hardware. Basis of Consolidation and Presentation Activision Blizzard prepared the accompanying unaudited condensed consolidated financial statements in accordance with the rules and regulations of the Securities and Exchange Commission for interim reporting. As permitted under those rules and regulations, certain notes or other information that are normally required by accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted if they substantially duplicate the disclosures contained in the annual audited consolidated financial statements. The year-end condensed balance sheet data was derived from audited financial statements but does not include all disclosures required by U.S. GAAP. The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for fair statement of our financial position and results of operations in accordance with U.S. GAAP have been included in the accompanying unaudited condensed consolidated financial statements. The accompanying consolidated financial statements include the accounts and operations of the Company. All intercompany accounts and transactions have been eliminated. The consolidated financial statements have been prepared in conformity with U.S. GAAP. The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from these estimates and assumptions. Certain reclassifications have been made to prior period amounts to conform to the current period presentation. The Company considers events or transactions that occur after the balance sheet date, but before the financial statements are issued, to provide additional evidence relative to certain estimates or to identify matters that require additional disclosures.

Description of business and basis of consolidation and presentation

3 Months Ended

Mar. 31, 2012

Description of business and basis of consolidation and presentation

Description of business and basis of consolidation and presentation

1. Description of business and basis of consolidation and presentation

Description of Business

Activision Blizzard, Inc. is a worldwide online, personal computer (“PC”), console, handheld, and mobile game publisher. The terms “Activision Blizzard,” the “Company,” “we,” “us,” and “our” are used to refer collectively to Activision Blizzard, Inc. and its subsidiaries. We maintain significant operations in the United States, Canada, the United Kingdom, France, Germany, Ireland, Italy, Sweden, Spain, the Netherlands, Australia, South Korea and China.

The common stock of Activision Blizzard is traded on The NASDAQ Stock Market under the ticker symbol “ATVI.” Vivendi S.A. (“Vivendi”) owned approximately 61% of Activision Blizzard's outstanding common stock at March 31, 2012.

Currently, we operate under three operating segments:

Activision Publishing, Inc.

Activision Publishing, Inc. (“Activision”) is a leading international developer and publisher of interactive software products and content. Activision develops games based on both internally-developed and licensed intellectual property. Activision markets and sells games it develops and, through our affiliate label program, games developed by certain third-party publishers. We sell games both through retail channels and by digital download. Activision currently offers games that operate on the Sony Computer Entertainment, Inc. (“Sony”) PlayStation 3 (“PS3”), Nintendo Co. Ltd. (“Nintendo”) Wii (“Wii”), and Microsoft Corporation (“Microsoft”) Xbox 360 (“Xbox 360”) console systems; the Nintendo Dual Screen handheld game systems; the PC; Apple iOS devices and other handheld and mobile devices.

Blizzard Entertainment, Inc.

Blizzard Entertainment, Inc. (“Blizzard”) is a leader in the subscription-based massively multi-player online role-playing game (“MMORPG”) category in terms of both subscriber base and revenues generated through its World of Warcraft® franchise, which it develops, hosts and supports. Blizzard also develops, markets and sells role-playing action and strategy PC-based computer games, including games in the multiple-award winning Diablo® and StarCraft® franchises. In addition, Blizzard maintains a proprietary online-game related service, Battle.net®. Blizzard distributes its products and generates revenues worldwide through various means, including: subscriptions (which consist of fees from individuals playing World of Warcraft, prepaid cards and other value-added service revenues such as realm transfers, faction changes, and other character customizations within World of Warcraft gameplay); retail sales of physical “boxed” products; online download sales of PC products; and licensing of software to third-party or related party companies that distribute World of Warcraft and StarCraft II®.

Activision Blizzard Distribution

Activision Blizzard Distribution (“Distribution”) consists of operations in Europe that provide warehousing, logistical and sales distribution services to third-party publishers of interactive entertainment software, our own publishing operations, and manufacturers of interactive entertainment hardware.

Basis of Consolidation and Presentation

Activision Blizzard prepared the accompanying unaudited condensed consolidated financial statements in accordance with the rules and regulations of the Securities and Exchange Commission for interim reporting. As permitted under those rules and regulations, certain notes or other information that are normally required by accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted if they substantially duplicate the disclosures contained in the annual audited consolidated financial statements. The year-end condensed balance sheet data was derived from audited financial statements but does not include all disclosures required by U.S. GAAP. The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for fair statement of our financial position and results of operations in accordance with U.S. GAAP have been included in the accompanying unaudited condensed consolidated financial statements.

The accompanying consolidated financial statements include the accounts and operations of the Company. All intercompany accounts and transactions have been eliminated. The consolidated financial statements have been prepared in conformity with U.S. GAAP. The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from these estimates and assumptions.

Certain reclassifications have been made to prior period amounts to conform to the current period presentation.

The Company considers events or transactions that occur after the balance sheet date, but before the financial statements are issued, to provide additional evidence relative to certain estimates or to identify matters that require additional disclosures.