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Unbilled Receivables
3 Months Ended
Apr. 03, 2022
Contractors [Abstract]  
Unbilled Receivables UNBILLED RECEIVABLES
Unbilled receivables represent revenue recognized on long-term contracts (contract costs and estimated profits) less associated advances and progress billings. These amounts will be billed in accordance with the agreed-upon contractual terms. Unbilled receivables consisted of the following:
April 3, 2022December 31, 2021
Unbilled revenue$35,695 $39,566 
Advances and progress billings(27,807)(31,068)
Net unbilled receivables$7,888 $8,498 
On April 3, 2022, and December 31, 2021, net unbilled receivables included $2.4 billion and $3.3 billion, respectively, associated with two large international contracts in our Combat Systems segment. A wheeled vehicle contract, originally negotiated in 2012, was amended in 2020 to include a revised payment schedule that addressed a build-up in unbilled receivables. Under the amended contract, we have received progress payments that have reduced the program’s unbilled balance to $1 billion. The remaining scheduled progress payments will liquidate the net unbilled receivables balance by the end of 2023. A separate tracked vehicle contract signed in 2010 has been experiencing an unbilled receivable build-up since 2021 while we work to resolve customer concerns on certain aspects of the program. As a result, the balance on this program has grown to $1.4 billion.