| Component: (Network and Table) | |
|---|---|
| Network | 2416404 - Disclosure - - Product Guarantee (Detail) (http://www.generaldynamics.com/role/ProductGuaranteeDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000040533 (http://www.sec.gov/CIK) |
| Commitments and Contingencies Disclosure [Abstract] | Period [Axis] | ||
|---|---|---|---|
2013-01-01 - 2013-12-31 | 2012-01-01 - 2012-12-31 | 2011-01-01 - 2011-12-31 | |
Commitments and Contingencies Disclosure [Abstract] | |||
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] | |||
Beginning balance | 319,000,000 | 293,000,000 | 260,000,000 |
Warranty expense | 125,000,000 | 91,000,000 | 88,000,000 |
Payments | (83,000,000) | (58,000,000) | (56,000,000) |
Adjustments | (5,000,000) | (7,000,000) | 1,000,000 |
Ending balance | 356,000,000 | 319,000,000 | 293,000,000 |