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2412403 - Disclosure - Shareholders' Equity (Accumulated Other Comprehensive Income (Loss) (Details)
(http://www.generaldynamics.com/role/ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossDetails)
TableAccumulated Other Comprehensive Income (Loss) [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000040533 (http://www.sec.gov/CIK)
Accumulated Other Comprehensive Income (Loss) [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Equity Components [Axis]Equity Components [Axis]Equity Components [Axis]
Gains (Losses) on Cash Flow HedgesUnrealized Gains (Losses) On SecuritiesForeign Currency Translation AdjustmentsChanges In Retirement Plans' Funded StatusEquity Component [Domain]Gains (Losses) on Cash Flow HedgesUnrealized Gains (Losses) On SecuritiesForeign Currency Translation AdjustmentsChanges In Retirement Plans' Funded StatusEquity Component [Domain]Gains (Losses) on Cash Flow HedgesUnrealized Gains (Losses) On SecuritiesForeign Currency Translation AdjustmentsChanges In Retirement Plans' Funded StatusEquity Component [Domain]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Beginning balance
(487,000,000) 
20,000,000  
178,000,000  
(2,997,000,000) 
(3,286,000,000) 
(173,000,000) 
22,000,000  
541,000,000  
(3,322,000,000) 
(2,932,000,000) 
9,000,000  
15,000,000  
974,000,000  
(2,183,000,000) 
(1,185,000,000) 
Other comprehensive loss, pretax
191,000,000  
(9,000,000) 
(118,000,000) 
(192,000,000) 
(128,000,000) 
(394,000,000) 
(2,000,000) 
(374,000,000) 
500,000,000  
(270,000,000) 
(279,000,000) 
10,000,000  
(436,000,000) 
(1,745,000,000) 
(2,450,000,000) 
(Benefit) provision for income tax, net
49,000,000  
(3,000,000) 
0  
(64,000,000) 
(18,000,000) 
(80,000,000) 
0  
(11,000,000) 
175,000,000  
84,000,000  
(97,000,000) 
3,000,000  
(3,000,000) 
(606,000,000) 
(703,000,000) 
Other comprehensive (loss) income, net amount
142,000,000  
 
(6,000,000) 
 
(118,000,000) 
 
(128,000,000) 
 
(110,000,000) 
 
(314,000,000) 
 
(2,000,000) 
 
(363,000,000) 
 
325,000,000  
 
(354,000,000) 
 
(182,000,000) 
 
7,000,000  
 
(433,000,000) 
 
(1,139,000,000) 
 
(1,747,000,000) 
 
Ending balance
(345,000,000) 
 
14,000,000  
 
60,000,000  
 
(3,125,000,000) 
 
(3,396,000,000) 
 
(487,000,000) 
 
20,000,000  
 
178,000,000  
 
(2,997,000,000) 
 
(3,286,000,000) 
 
(173,000,000) 
 
22,000,000  
 
541,000,000  
 
(3,322,000,000) 
 
(2,932,000,000)