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Acquisitions, Intangible Assets And Goodwill (Tables) | 9 Months Ended
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Sep. 28, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes In The Carrying Amount Of Goodwill By Reporting Unit | The changes in the carrying amount of goodwill by reporting unit for the nine months ended September 28, 2014, were as follows:
| Aerospace |  | Combat Systems |  | Marine Systems |  | Information Systems and Technology |  | Total Goodwill
December 31, 2013 (a) | $ | 2,741 |  |  | $ | 2,849 |  |  | $ | 289 |  |  | $ | 6,053 |  |  | $ | 11,932 |
Other (b) | (104 | ) |  | (59 | ) |  | — |  |  | (13 | ) |  | (176 | )
September 28, 2014 | $ | 2,637 |  |  | $ | 2,790 |  |  | $ | 289 |  |  | $ | 6,040 |  |  | $ | 11,756 |
(a)Goodwill on December 31, 2013, in the Information Systems and Technology reporting unit is net of $1,994 of accumulated impairment losses. (b)Consists primarily of adjustments for foreign currency translation.
Intangible assets | Intangible assets consisted of the following:
| Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount |  | Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount
| December 31, 2013 |  | September 28, 2014
Contract and program intangible assets* | $ | 1,790 |  | $ | (1,189 | ) | $ | 601 |  |  | $ | 1,626 |  | $ | (1,102 | ) | $ | 524 |
Trade names and trademarks | 507 |  | (103 | ) | 404 |  |  | 487 |  | (118 | ) | 369 |
Technology and software | 130 |  | (92 | ) | 38 |  |  | 129 |  | (94 | ) | 35 |
Other intangible assets | 155 |  | (154 | ) | 1 |  |  | 155 |  | (154 | ) | 1 |
Total intangible assets | $ | 2,582 |  | $ | (1,538 | ) | $ | 1,044 |  |  | $ | 2,397 |  | $ | (1,468 | ) | $ | 929 |
* Consists of acquired backlog and probable follow-on work and related customer relationships.

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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