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Receivables, net, Contract Assets and Contract Liabilities - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
U.S. government receivables | $ 1,300,000,000 |  |
Receivables from other governments and commercial customers | 1,963,000,000 | $ 1,978,000,000 |
Contract assets, progress payments | 43,900,000,000 | 39,700,000,000 |
Increase in contract assets | 1,034,000,000 | 451,000,000 | $ (378,000,000)
Impairment loss | 0 | 0 |
Increase in contract liability | 562,000,000 | 491,000,000 | 563,000,000
Liability, revenue recognized | 4,500,000,000 | $ 4,000,000,000 | $ 3,900,000,000
Other Governments and Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Receivables from other governments and commercial customers | $ 708,000,000 |  |

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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054 + Details
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