Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2016
(Provision) Benefit for Income Taxes	$ 101	$ 0
Income (Loss) Before Income Taxes	(592)	(107)
Gain (Loss) Related to Litigation Settlement	(65)
Foreign Exchange Related Charges	31	26
Restructuring Charges	77	$ 41
Scenario, Forecast [Member]
Uncertain tax positions, estimated for next twelve months			$ 16
IRAQ
Loss on Contracts	$ 52

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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- Definition

Foreign Currency Devaluation Loss, before Tax

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No definition available.

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