Accumulated Other Comprehensive Income (AOCI) Components (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Accumulated other comprehensive income (loss)
Cost of Revenue	$ 16,404us-gaap_CostOfRevenue	$ 20,021us-gaap_CostOfRevenue
Other (income) expense - net	(10)us-gaap_OtherNonoperatingIncomeExpense	(23)us-gaap_OtherNonoperatingIncomeExpense
Revenues	(17,506)us-gaap_Revenues	(20,696)us-gaap_Revenues
Earnings Before Income Taxes	(690)	(366)
Tax	197us-gaap_IncomeTaxExpenseBenefit	98us-gaap_IncomeTaxExpenseBenefit
Net Earnings Including Noncontrolling Interests	(493)us-gaap_ProfitLoss	(268)us-gaap_ProfitLoss
Reclassification Out of Accumulated Other Comprehensive Income [Member] \| Deferred (Gain) Loss On Hedging Activities [Member]
Accumulated other comprehensive income (loss)
Cost of Revenue	0	4
Other (income) expense - net	(17)	0
Revenues	(47)	27
Earnings Before Income Taxes	(64)	31
Tax	24	(11)
Net Earnings Including Noncontrolling Interests	(40)	20
Reclassification Out of Accumulated Other Comprehensive Income [Member] \| Pension Liability Adjustment [Member]
Accumulated other comprehensive income (loss)
Prior service cost (credit)	(2)	(4)
Actuarial (gains ) losses	27	9
Earnings Before Income Taxes	25	5
Tax	(17)	(2)
Net Earnings Including Noncontrolling Interests	$ 8	$ 3

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

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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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Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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