an automatic dishwashing detergent composition having at least two components . the first component is a polymer containing polymerized residues of at least one c 3 - c 6 carboxylic acid monomer and a hydroxy end group . the second component is a biodegradable builder selected from among nitrilotriacetic acid , ethylenediaminetetraacetic acid , diethylenetriaminepentaacetic acid , glycine - n , n - diacetic acid , methylglycine - n , n - diacetic acid , 2 - hydroxyethyliminodiacetic acid , glutamic acid - n , n - diacetic acid , 3 - hydroxy - 2 , 2 ′- iminodisuccinate , s , s - ethylenediaminedisuccinate aspartic acid - diacetic acid , n , n ′- ethylenediamine disuccinic acid , iminodisuccinic acid , aspartic acid , aspartic acid - n , n - diacetate , beta - alaninediacetic acid , polyaspartic acid , salts thereof and combinations thereof .