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INFORMATION ON BUSINESS SEGMENTS - Total Assets For Each Business Segment (Details) - USD ($) $ in Millions | Sep. 24, 2017 | Dec. 31, 2016
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Segment Reporting Information [Line Items] |  |
Total assets | $ 48,946 | $ 47,806
Business segments |  |
Segment Reporting Information [Line Items] |  |
Total assets | 36,353 | 35,513
Business segments | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total assets | 7,918 | 7,896
Business segments | Missiles and Fire Control |  |
Segment Reporting Information [Line Items] |  |
Total assets | 4,510 | 4,000
Business segments | Rotary and Mission Systems |  |
Segment Reporting Information [Line Items] |  |
Total assets | 18,500 | 18,367
Business segments | Space Systems |  |
Segment Reporting Information [Line Items] |  |
Total assets | 5,425 | 5,250
Corporate |  |
Segment Reporting Information [Line Items] |  |
Total assets | $ 12,593 | $ 12,293

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