| Component: (Network and Table) | |
|---|---|
| Network | 2413403 - Disclosure - Long-Term Debt (Details 2) (http://www.northropgrumman.com/role/LongTermDebtDetails2) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001133421 (http://www.sec.gov/CIK) |
| Debt Disclosure [Abstract] | Period [Axis] |
|---|---|
2013-12-31 | |
Debt Disclosure [Abstract] | |
Maturities of Long-term Debt [Abstract] | |
2014 | 2,000,000 |
2015 | 3,000,000 |
2016 | 110,000,000 |
2017 | 3,000,000 |
2018 | 1,053,000,000 |
Thereafter | 4,757,000,000 |
Total principal payments | 5,928,000,000 |
Unamortized premium on long-term debt, net of discount | 2,000,000 |
Total long-term debt | 5,930,000,000 |