Divestitures - Additional Information (Detail) - Information Systems & Global Solutions - USD ($) $ in Millions		3 Months Ended
Aug. 16, 2016	Mar. 27, 2016
Divestitures [Line Items]
Percentage of reduction in common stock outstanding	3.00%
Net gain on divestiture of business segment	$ 1,200
Fair value of shares of common stock tendered and retired	2,500
Net book value	3,000
Other adjustments	$ 100
Lockheed Martin
Divestitures [Line Items]
Number of common stock exchanged	9,369,694
Continuing Operations
Divestitures [Line Items]
Pension costs		$ 22
Restatement Adjustment
Divestitures [Line Items]
Corporate overhead costs		$ (35)

Divestitures [Line Items]

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Number Of Common Stock Exchanged

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Percentage of Reduction in Common Stock Outstanding

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Indirect expenses and cost incurred associated with goods produced and sold during the reporting period.

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Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

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The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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