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Costs and Estimated Earnings on Uncompleted Contracts | 12 Months Ended
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Dec. 31, 2011
Costs and Estimated Earnings on Uncompleted Contracts [Abstract] |
Costs and Estimated Earnings on Uncompleted Contracts | 8. Costs and Estimated Earnings on Uncompleted Contracts Costs and estimated earnings on uncompleted contracts consist of (in millions):
|  | December 31, |
|  | 2011 |  |  | 2010 |
Costs incurred on uncompleted contracts |  | $ | 5,839 |  |  | $ | 6,676 |
Estimated earnings |  |  | 3,775 |  |  |  | 4,665 |
|  |  | 9,614 |  |  |  | 11,341 |
Less: Billings to date |  |  | 9,886 |  |  |  | 11,037 |
|  | $ | (272 | ) |  | $ | 304 |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 593 |  |  | $ | 815 |
Billings in excess of costs and estimated earnings on uncompleted contracts |  |  | (865 | ) |  |  | (511 | )
|  | $ | (272 | ) |  | $ | 304 |

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- Definition Costs and estimated earnings on uncompleted contracts. + References No definition available. + Details
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