Consolidated Statements of Operations (USD $) In Millions, except Per Share data	12 Months Ended
Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2009
Consolidated Statements of Operations
Net revenue	$ 3,589	$ 3,654	$ 4,212
Cost of goods sold	1,499	1,866	2,127
Gross profit	2,090	1,788	2,085
Operating expenses:
Marketing and sales	747	730	691
General and administrative	301	320	332
Research and development	1,153	1,229	1,359
Restructuring and other charges	161	140	80
Amortization of intangibles	57	53	58
Acquisition-related contingent consideration	(17)	2	0
Goodwill impairment	0	0	368
Certain abandoned acquisition-related costs	0	0	21
Acquired in-process technology	0	0	3
Total operating expenses	2,402	2,474	2,912
Operating loss	(312)	(686)	(827)
Gains (losses) on strategic investments, net	23	(26)	(62)
Interest and other income, net	10	6	34
Loss before provision for (benefit from) income taxes	(279)	(706)	(855)
Provision for (benefit from) income taxes	(3)	(29)	233
Net loss	$ (276)	$ (677)	$ (1,088)
Net loss per share:
Basic and Diluted	$ (0.84)	$ (2.08)	$ (3.4)
Number of shares used in computation:
Basic and Diluted	330	325	320

This element represents the change in fair value of acquisition-related contingent consideration incurred to effect a business combination.

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The amount of net income (loss) for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period.

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This element represents the amount of gains and losses, including other than temporary impairments, recognized on strategic investments.

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Restructuring and other charges charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.

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The average number of shares issued and outstanding that are used in calculating basic and diluted EPS, determined based on the timing of issuance of shares in the period.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest.

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The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of direct costs of an unsuccessful business combination including legal, accounting, and other costs that were charged to expense during the period, but may have been capitalized had the contemplated transaction been completed.

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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

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The net amount of other nonoperating income and expense, which does not qualify for separate disclosure on the income statement under materiality guidelines.

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Research and development expense during the period related to the costs of developing and achieving technological feasibility of a computer software product to be sold, leased, or otherwise marketed.

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The amount of purchased research and development assets that are acquired in a business combination have no alternative future use and are therefore written off in the period of acquisition.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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The aggregate total amount of expenses directly related to the marketing or selling of products or services.

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