Consolidated Statements Of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Revenues	$ 17,506us-gaap_Revenues	$ 20,696us-gaap_Revenues
Cost of Revenue	16,404us-gaap_CostOfRevenue	20,021us-gaap_CostOfRevenue
Gross Profit	1,102us-gaap_GrossProfit	675us-gaap_GrossProfit
Selling, general, and administrative expenses	498	393
Asset impairment, exit, and restructuring costs		0
Interest expense	81us-gaap_InterestExpense	93us-gaap_InterestExpense
Equity in earnings of unconsolidated affiliates	(139)	(132)
Interest income	(18)	(22)
Other (income) expense - net	(10)us-gaap_OtherNonoperatingIncomeExpense	(23)us-gaap_OtherNonoperatingIncomeExpense
Earnings Before Income Taxes	690	366
Income taxes	197us-gaap_IncomeTaxExpenseBenefit	98us-gaap_IncomeTaxExpenseBenefit
Net earnings including noncontrolling interests	493us-gaap_ProfitLoss	268us-gaap_ProfitLoss
Less: Net earnings (losses) attributable to noncontrolling interests	0	1
Net Earnings Attributable to Controlling Interests	$ 493us-gaap_NetIncomeLoss	$ 267us-gaap_NetIncomeLoss
Average number of shares outstanding - basic	636	660
Average number of shares outstanding - diluted	639	663
Earnings Per Share, Basic	$ 0.78us-gaap_EarningsPerShareBasic	$ 0.40us-gaap_EarningsPerShareBasic
Earnings Per Share, Diluted	$ 0.77us-gaap_EarningsPerShareDiluted	$ 0.40us-gaap_EarningsPerShareDiluted
Dividends per common share	$ 0.28	$ 0.24

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770