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CIE and BIE CIE (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
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Costs and estimated earnings in excess of billings on uncompleted contracts (CIE) | $ 224 | $ 490
Operating Segments [Member] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (CIE) | 224 | 468
Operating Segments [Member] | Technology and Consulting [Member] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (CIE) | 42 | 38
Operating Segments [Member] | Engineering and Construction [Member] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (CIE) | 114 | 357
Operating Segments [Member] | Government Services [Member] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (CIE) | 68 | 73
Operating Segments [Member] | Non-strategic Business [Member] |  |
Costs and estimated earnings in excess of billings on uncompleted contracts (CIE) | $ 0 | $ 22

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- Definition Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings which is expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51671739&loc=d3e57795-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(c)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=51671739&loc=d3e57807-111642 + Details
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