Segment Information (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	$ (154)		$ 0	$ (283)		$ 0
Divestiture, Professional and Other Fees Portion	24
Professional Fees				64
Other Nonrecurring (Income) Expense				8
Professional fees and expenses for investigations and remediation of material weakness			8			35
Severance, exit and other charges			38			111
Severance Costs Portion			20			64
Legal, Professional and Other Fees Portion	4		18			47
Gain (Loss) on Disposition of Business	38		0	38		8
North America
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(15)			(44)
MENA/ Asia Pacific
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(116)			(135)
Europe/ SSA/ Russia
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(10)			(37)
Latin America
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(13)			(37)
Operating Segments [Member] | North America
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(15)			(44)
Operating Segments [Member] | MENA/ Asia Pacific
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(116)			(135)
Operating Segments [Member] | Europe/ SSA/ Russia
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(10)			(37)
Operating Segments [Member] | Latin America
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(13)			(37)
Corporate and Research and Development [Member]
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	0			(30)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Severance, asset impairment and other restructuring charges	(154)	[1]		(283)	[1]
Gain (Loss) on Disposition of Business	38			38
Iraq [Member]
Segment Reporting Information [Line Items]
Loss on contracts	10			38
Estimated loss on long term construction contract	345			345
Claims revenue	27			27
Other Deductions and Charges	35			35
Accrued Fees and Other Revenue Receivable	$ 6			$ 6

[1] For the nine months ended September 30, 2014, we recognized restructuring charges of $283 million: $44 million in North America, $135 million in MENA/Asia Pacific, $37 million in Europe/SSA/Russia, $37 million in Latin America and $30 million in Corporate and Research and Development.