It sounds like you are looking for a script similar to this one...
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [TEMPDB].[DBO].[DB_ROLES]([DBNAME] [SYSNAME] ,
[USERNAME] [SYSNAME] ,
[DB_OWNER] VARCHAR ,
[DB_ACCESSADMIN] VARCHAR ,
[DB_SECURITYADMIN] VARCHAR ,
[DB_DDLADMIN] VARCHAR ,
[DB_DATAREADER] VARCHAR ,
[DB_DATAWRITER] VARCHAR ,
[DB_DENYDATAREADER] VARCHAR ,
[DB_DENYDATAWRITER] VARCHAR ,
[DT_CREATE] [DATETIME] NOT NULL,
[DT_UPDATE] [DATETIME] NOT NULL,
[DT_REPORT] [DATETIME] NOT NULL CONSTRAINT [DF__DBROLES__CUR_DAT__3A179ED3] DEFAULT (GETDATE()) ) ON [PRIMARY]
GO
INSERT INTO [TEMPDB].[DBO].[DB_ROLES]
EXEC SP_MSFOREACHDB 'SELECT''?'' AS DBNAME, USERNAME, MAX(CASE ROLENAME WHEN ''DB_OWNER''THEN ''YES'' ELSE ''NO'' END)
AS DB_OWNER, MAX(CASE ROLENAME WHEN ''DB_ACCESSADMIN '' THEN ''YES'' ELSE ''NO'' END) AS DB_ACCESSADMIN ,
MAX(CASE ROLENAME WHEN ''DB_SECURITYADMIN'' THEN ''YES'' ELSE ''NO'' END) AS DB_SECURITYADMIN,
MAX(CASE ROLENAME WHEN ''DB_DDLADMIN'' THEN ''YES'' ELSE ''NO'' END) AS DB_DDLADMIN,
MAX(CASE ROLENAME WHEN ''DB_DATAREADER'' THEN ''YES'' ELSE ''NO'' END) AS DB_DATAREADER,
MAX(CASE ROLENAME WHEN ''DB_DATAWRITER'' THEN ''YES'' ELSE ''NO'' END) AS DB_DATAWRITER,
MAX(CASE ROLENAME WHEN ''DB_DENYDATAREADER'' THEN ''YES'' ELSE ''NO'' END) AS DB_DENYDATAREADER,
MAX(CASE ROLENAME WHEN ''DB_DENYDATAWRITER'' THEN ''YES'' ELSE ''NO'' END) AS DB_DENYDATAWRITER,
CREATEDATE, UPDATEDATE, GETDATE()
FROM (SELECT B.NAME AS USERNAME, C.NAME AS ROLENAME, B.CREATEDATE, B.UPDATEDATE FROM [?].DBO.SYSMEMBERS A JOIN [?].DBO.SYSUSERS B ON A.MEMBERUID = B.UID
JOIN [?].DBO.SYSUSERS C ON A.GROUPUID = C.UID)S
GROUP BY USERNAME, CREATEDATE, UPDATEDATE
ORDER BY USERNAME'
SELECT SERVERPROPERTY('SERVERNAME') AS [SERVERNAME], B.NAME AS [LOGINNAME],
CASE B.SYSADMIN WHEN '1' THEN 'YES' ELSE 'NO'
END AS SYSADMIN, CASE B.SECURITYADMIN WHEN '1' THEN 'YES' ELSE 'NO'
END AS SECURITYADMIN, CASE B.SETUPADMIN WHEN '1' THEN 'YES' ELSE 'NO'
END AS SETUPADMIN, CASE B.PROCESSADMIN WHEN '1' THEN 'YES' ELSE 'NO'
END AS PROCESSADMIN, CASE B.DISKADMIN WHEN '1' THEN 'YES' ELSE 'NO'
END AS DISKADMIN, CASE B.DBCREATOR WHEN '1' THEN 'YES' ELSE 'NO'
END AS DBCREATOR, CASE B.BULKADMIN WHEN '1' THEN 'YES' ELSE 'NO'
END AS BULKADMIN, B.DBNAME AS [DEFAULT_DBNAME],
A.* INTO #LOGINS FROM [TEMPDB].[DBO].[DB_ROLES] A RIGHT JOIN MASTER..SYSLOGINS B ON A.USERNAME=B.NAME WHERE B.ISNTUSER=1
SELECT * FROM #LOGINS ORDER BY [LOGINNAME]
DROP TABLE [TEMPDB].[DBO].[DB_ROLES]
DROP TABLE #LOGINS