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REVENUE RECOGNITION AND CONTRACTS - B&W Renewable Projects (Narrative) (Details) - B&W Solar
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
contract
Disaggregation of Revenue [Line Items]  
Renewable loss contracts, net loss recognized on changes in estimated revenues and costs | $ $ 3.9
Number of contracts in a loss position | contract 8,000