Aggregated fair value of in process research and development projects acquired

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- Definition

Aggregate Estimated Costs To Complete Of In Process Research And Development Projects Acquired.

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- Definition

Average Weighted Average Cost Of Capital.

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- Definition

Earnout EBIT Performance Target

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- Definition

Maximum Assigned Fair Value Of Each In Process Research And Development Project Acquired.

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Maximum Estimated Costs To Complete Of Each In Process Research And Development Project Acquired.

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- Definition

Maximum value of restricted stock unit awards and options to be granted.

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- Definition

Period of grant of long term equity retention awards.

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- Definition

Weighted-average estimated percentage completion of in-process research and development projects

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- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

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- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

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Amount of cash paid to acquire the entity.

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- Definition

The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.

+ References

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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- Definition

The number of businesses acquired by the entity during the period.

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Business Combinations (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		1 Months Ended		12 Months Ended	1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Aug. 31, 2011 PopCap [Member]	Oct. 31, 2010 Chillingo [Member]	Mar. 31, 2012 Series Of Individually Immaterial Business Acquisitions [Member]	Aug. 31, 2011 Maximum [Member] PopCap [Member]	Aug. 31, 2011 In-Process Research And Development Projects Acquired [Member] PopCap [Member]
Business Acquisition [Line Items]
Date of purchase agreement			Aug. 31, 2011	Oct. 01, 2010
Aggregate purchase price in cash			$ 645		$ 55
Acquisition-related contingent consideration payment			87
Maximum period in years to grant long-term equity retention awards						4 years
Maximum value of restricted stock unit awards and options to be granted			50
Contingent consideration maximum payment	566	572	550
Performance targets under EBIT			343
Contingent consideration, fair value			95
Aggregated fair value of in process research and development projects acquired			15
Average weighted average cost of capital							13.00%
Assigned fair value of acquired IPR&D projects							4
Estimated costs to complete acquired IPR&D projects							2
Aggregate cost to complete acquired IPR&D projects							$ 5
Weighted-average estimated percentage completion of in-process research and development projects							36.00%
Number of businesses acquired	1				4