Entradas com valores negativos

SELECT  Categoria, TipoDoc, Ano, Mes, Valor, TipoMov
FROM (
SELECT '0. Bancos' AS Categoria,movim AS tipodoc,YEAR(DtMov) AS Ano, MONTH(DtMov) AS Mes,
(CASE WHEN TipoMov = 'C' THEN -(Round(SUM(Valor),2)) WHEN TipoMov = 'D' THEN (Round(SUM(Valor),2)) ELSE (Round(SUM(Valor),2)) END) AS Valor,
 (CASE WHEN TipoMov = 'C' THEN 'Entradas' WHEN TipoMov = 'D' THEN 'Saídas'ELSE TipoMov END) AS TipoMov
FROM MovimentosBancos
WHERE
 Movim = Movim AND MONTH(DtMov) IN (1,2,3,4,5,6,7,8,9,10,11,12)
GROUP BY Movim, MONTH(DtMov), YEAR(DtMov), TipoMov
)AS det