Quarterly Financial Data (Unaudited) (Narrative) (Details) In Millions, unless otherwise specified	3 Months Ended					12 Months Ended				3 Months Ended		12 Months Ended				3 Months Ended								12 Months Ended
	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Jun. 30, 2012 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)		Dec. 31, 2012 USD ($)	Dec. 31, 2014 Venezuelan Bolivar [Member] USD ($)	Mar. 31, 2013 Venezuelan Bolivar [Member] USD ($)	Dec. 31, 2014 Venezuelan Bolivar [Member] USD ($)	Dec. 31, 2013 Venezuelan Bolivar [Member] USD ($)	Feb. 13, 2013 Venezuelan Bolivar [Member] VEB	Feb. 12, 2013 Venezuelan Bolivar [Member] VEB	Dec. 31, 2014 Iraq [Member] USD ($)	Sep. 30, 2014 Iraq [Member] USD ($)	Jun. 30, 2014 Iraq [Member] USD ($)	Mar. 31, 2014 Iraq [Member] USD ($)	Dec. 31, 2013 Iraq [Member] USD ($)	Sep. 30, 2013 Iraq [Member] USD ($)	Jun. 30, 2013 Iraq [Member] USD ($)	Mar. 31, 2013 Iraq [Member] USD ($)	Dec. 31, 2014 Iraq [Member] USD ($)	Dec. 31, 2013 Iraq [Member] USD ($)	Dec. 31, 2012 Iraq [Member] USD ($)	Dec. 31, 2013 Petroleos de Venezuela, S.A. [Member] Customer Concentration Risk [Member] Accounts Receivable [Member] USD ($)	Dec. 31, 2012 Subsea Controls Business [Member] USD ($)
Loss Contingencies [Line Items]
Restructuring Charges	$ 58	$ 154	$ 59	$ 70		$ 331	$ 0		$ 0
Asset Impairment Charges	(40)		(143)
Amount Recognized in Income Due to Inflationary Accounting, Net of Tax										(245)		(252)	(94)
Gain (Loss) on Disposition of Assets		38				349	(6)		9
Foreign Currency Exchange Rate, Translation														6.30	4.30
Currency devaluation expense											100	245	100
Operating Income (Loss)						505	523	[1]	298
Loss contingency accrual, provision						0	153		100
Gain (loss) on sale of bonds																											(58)
Increase (decrease) in accounts receivable						(78)	12		705																		(127)
Gain on Project																							(7)
Loss on contracts																(34)	(10)	(2)	(26)	148	85	6		72	232	100
Estimated loss on long term construction contract																379				307				379	307
Goodwill, Impairment Loss	40		(125)			66			589
Impairment of equity investments					204
Gain (loss) on sale of business	$ 311					$ 349	$ 24		$ 28																			$ 28

[1] Includes income tax restatement and material weakness remediation expenses of $103 million, $13 million of costs incurred in connection with U.S. government investigations, $11 million of non-recurring fees and expenses associated with our 2012 debt consent solicitation and severance, exit and other charges of $79 million.