v2.4.0.6

Other Commitments And Contingencies (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended				6 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Jan. 31, 2012	Jul. 31, 2012 DS And S	Mar. 31, 2006 DS And S	Jul. 31, 2012 Standby Letters Of Credit	Jul. 31, 2012 Performance Guarantees	Jul. 31, 2012 Government Investigations And Reviews	Jul. 31, 2012 Restructuring Proposals	Jul. 31, 2012 Tax Audits And Reviews
Other Commitments And Contingencies [Line Items]
Ownership interest							50.00%
Gain on sale of interest in joint venture						$ 4
Amount to be paid in satisfaction of indemnification obligation						4
Project financing from the company's provision of extended payment terms			100
Total project billings			216
Receivable due from VIE	16		16
Liability for estimate of loss										35
Unrecognized tax benefits												103
Other long-term liabilities	143		143		162							29
Liabilities for uncertain tax positions												132
Amount outstanding								102
Surety bonds									377
Revenues	$ 2,848	$ 2,596	$ 5,630	$ 5,284							$ 480

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Project Financing from Provision of Extended Payment Terms

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Total Project Billings

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For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of letters of credit outstanding under debtor-in-possession financing arrangement.

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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

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The current portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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SCIENCE APPLICATIONS INTERNATIONAL CORP 10-Q