Consolidated Cases Number Of Lawsuits

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Cumulative losses on a customer contract.

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- Definition

Legal Proceedings [Line Items]

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Litigation Settlement, Amount, Percentage of Total

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- Definition

Loss Contingency Claims Resolved

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Loss Contingency, Percentage of Damages Covered, Between Thirty Eight Million and Sixty Four Million Settlement Amount

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Loss Contingency, Percentage of Damages Covered, Excess of Sixty Four Million Settlement Amount

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- Definition

Number Of Lawsuits

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- Definition

Number of Former Chief Executive Officers

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- Definition

Third Party Credit Enhancement, Amount

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- Definition

Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

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- Definition

The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

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- Definition

Number of entity's patents that another entity was found to have infringed.

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No definition available.

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- Definition

The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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Amount of loss contingency liability.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

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Contingencies (Additional Information) (Detail)			1 Months Ended			3 Months Ended
Contingencies (Additional Information) (Detail)	Sep. 30, 2016 USD ($) patent	Feb. 03, 2016 USD ($) patent	Jun. 30, 2014 plaintiff	May 31, 2014 plaintiff	Nov. 30, 2012 USD ($) patent	Mar. 31, 2017 USD ($)	Apr. 30, 2012 LegalMatter executive	Apr. 13, 2017 USD ($)	Dec. 30, 2016 USD ($)	Aug. 16, 2016 USD ($)	Nov. 10, 2015 USD ($)	Jul. 31, 2013 USD ($)	Nov. 30, 2008 USD ($)
Legal Proceedings [Line Items]
Amount outstanding						$ 0			$ 0
Securities Class Actions
Legal Proceedings [Line Items]
Number of lawsuits \| LegalMatter							3
Number of lawsuits, withdrawn \| LegalMatter							1
Number of lawsuits, consolidated \| LegalMatter							2
Number of former Chief Executive Officers \| executive							2
Greek Government Contract
Legal Proceedings [Line Items]
Arbitral award						20,000,000						$ 42,000,000
Recorded losses						123,000,000
Greek Government Contract \| Invoice for Undisputed Portion of Contract
Legal Proceedings [Line Items]
Contracts receivable													$ 15,000,000
Greek Government Contract \| Value Added Taxes
Legal Proceedings [Line Items]
Contracts receivable						27,000,000
Greek Government Contract \| Letters of Credit Relating to Delivery
Legal Proceedings [Line Items]
Letter of credit available to the company						16,000,000
Greek Government Contract \| Standby Letters of Credit
Legal Proceedings [Line Items]
Letter of credit available to the company						18,000,000
Greek Government Contract \| Letters Of Credit Related System Support And Maintenance \| Letters of Credit Relating to Delivery
Legal Proceedings [Line Items]
Amount outstanding						4,000,000
MSA Venture
Legal Proceedings [Line Items]
Estimate of possible loss										$ 64,000,000	$ 64,000,000
Contingency accrual						$ 39,000,000
Data Privacy Litigation
Legal Proceedings [Line Items]
Number of plaintiffs \| plaintiff			2	2
Lockheed Martin \| MSA Venture
Legal Proceedings [Line Items]
Percentage of damages covered, between $38 million and $64 million (percentage)										100.00%
Percentage of damages covered, excess of $64 million settlement amount (percentage)										50.00%
Virnet X Inc
Legal Proceedings [Line Items]
Gain contingency, patents found infringed upon, number \| patent	4	4			2
Litigation settlement	$ 302,000,000	$ 626,000,000			$ 368,000,000
Leidos
Legal Proceedings [Line Items]
Litigation Settlement, percentage of total (percentage)						25.00%
Leidos \| MSA Venture
Legal Proceedings [Line Items]
Estimate of possible loss										$ 38,000,000
Information Systems & Global Solutions Business of Lockheed Martin \| MSA Venture
Legal Proceedings [Line Items]
Indemnification asset						$ 1,000,000
Subsequent Event [Member] \| Greek Government Contract
Legal Proceedings [Line Items]
Arbitral award								$ 63,000,000