Main tables for storing idoc info are
EDICONFIG Parameter Table for User-specific Configuration
EDID4 IDoc Data Records from 4.0 onwards
EDIDC Control record (IDoc)
EDIDO Value table for IDoc types
EDIDOCINDX Control record (IDoc)
EDIDOT Short description of IDoc types
EDIDS Status Record (IDoc)
EDIE5 Assign logical address to physical destination in SAP
EDIFCT IDoc: Assignment of FM to log. message and IDoc type
EDIFM IDoc: Function modules for creating file names
EDIFMT IDoc: Text table for EDIFM (funct. module for file names)
EDILOGADR Assign logical address to physical destination (SAP)
EDIMAP EDI: Assignment Table Between IDoc and Application Fields
EDIMSG Message Types and Assignment to IDoc Types
EDIMSGT Short description of SAP message types
EDIPHONE Telephony Data for Partner Profiles
EDIPO Table for description of ports for EDI
EDIPO2 Table for R/2 Port Definitions
EDIPOA Table for ALE Port Definitions
EDIPOD Table for File Port Definitions
EDIPOF Ports for ABAP programming interface
EDIPOI Table for describing Internet ports
EDIPORT Summary Table for all Port Types for IDoc Processing
EDIPOX Table for Description of XML Port
EDIPOXU Conversion of special characters for XML
EDISDEF IDoc Development : IDoc Segment Definitions
EDISEG EDI: IDoc Segments with Assignment to Segment Type
EDISEGMENT IDoc Development : IDoc Segment
EDISEGT EDI: Short Description of IDoc Segments
EDISYN Syntax Description for Extended Basic Types
EDI_CNVBAS Conversion Table for Basic Types
EDI_CNVDOC Conversion Table for Field DOCTYP
EDI_CNVEXT Conversion Table for Extensions
EDI_CNVMES Conversion Table for Logical Message Types
EDI_MONIT EDI: Default Values in IDoc Monitoring (monitoring/stats)
I don't think there is any special table for storing Idocs sent through ALE
Bluesky
