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CIE and BIE CIE (Details) - USD ($) $ in Millions | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Costs in Excess of Billings, Current | $ 332 | $ 490
Operating Segments [Member] |  |
Costs in Excess of Billings, Current | 327 | 468
Operating Segments [Member] | Technology and Consulting [Member] |  |
Costs in Excess of Billings, Current | 38 | 38
Operating Segments [Member] | Engineering and Construction [Member] |  |
Costs in Excess of Billings, Current | 200 | 357
Operating Segments [Member] | Government Services [Member] |  |
Costs in Excess of Billings, Current | 89 | 73
Operating Segments [Member] | Non-strategic Business [Member] |  |
Costs in Excess of Billings, Current | $ 5 | $ 22

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