XML 83 R68.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Unapproved change orders and claims (Narrative) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Unapproved change orders | $ 46 | $ 31 | $ 115
Liquidated damages | 6 | 12 |
Parent Share of Probable Unapproved Claims of Unconsolidated Subsidiary [Member] |  |  |
Unapproved change orders | $ 58 | $ 78 |

X
- Definition Penalties that the enterprise may be subject to if it does not meet milestone due dates and if claims are asserted and it was responsible for the delays. These generally relate to specified activities that must be met within a project by a set contractual date or achievement of a specified level of output or throughput of a plant the enterprise constructs. + References No definition available. + Details
Name: | kbr_LiquidatedDamages
Namespace Prefix: | kbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of costs incurred on unapproved change orders when it is probable that the cost will be recovered through a change in the contract price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 910 -SubTopic 310 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51673017&loc=d3e49324-109356 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 910 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51666792&loc=d3e50000-109363 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph c(3) -Article 5 + Details
Name: | us-gaap_UnapprovedChangeOrdersAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=kbr_ParentShareOfProbableUnapprovedClaimsOfUnconsolidatedSubsidiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |