KBR Separation (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013 Indemnification Agreement [Member]
Loss Contingencies [Line Items]
KBR indemnities and guarantees	$ 0
Payment of Barracuda-Caratinga obligation	0	(219)	219
Tax Sharing Agreement Settlement And Foreign Unrecognized Tax Benefits	$ 105

Amount of payments made reducing loss contingency liability.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Name:	us-gaap_LossContingencyAccrualCarryingValuePayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration