Esterase with broad substrate specificity. Contributes to the inactivation of the neurotransmitter acetylcholine. Can degrade neurotoxic organophosphate esters. {ECO:0000269|PubMed:19452557, ECO:0000269|PubMed:19542320}. This is the function of BCHE (butyrylcholinesterase, ENSG00000114200).