CREATE TABLE test_table AS SELECT level AS id FROM dual CONNECT BY LEVEL <= 3;
/
CREATE TYPE  type_table IS TABLE OF number;
/
DECLARE
    la_id_DEL   type_table := type_table(2);
    la_id_DEL1  type_table := type_table();
    la_id_DEL2  type_table := type_table();
BEGIN
    la_id_DEL1 := la_id_DEL;
    
    DBMS_OUTPUT.put_line('la_id_DEL.COUNT=' || la_id_DEL.COUNT);
    DBMS_OUTPUT.put_line('la_id_DEL1.COUNT=' || la_id_DEL1.COUNT);
    
    DELETE 
    FROM    test_table tt
    WHERE   tt.id IN (SELECT to_number(column_value) FROM TABLE(CAST(la_id_DEL1 AS type_table)))
    RETURNING   tt.id
    BULK COLLECT INTO   la_id_DEL1;
    
    DBMS_OUTPUT.put_line('SQL%ROWCOUNT=' || SQL%ROWCOUNT);
    DBMS_OUTPUT.put_line('la_id_DEL.COUNT=' || la_id_DEL.COUNT);
    DBMS_OUTPUT.put_line('la_id_DEL1.COUNT=' || la_id_DEL1.COUNT);

    DELETE 
    FROM    test_table tt
    WHERE   tt.id IN (SELECT to_number(column_value) FROM TABLE(CAST(la_id_DEL AS type_table)))
    RETURNING   tt.id
    BULK COLLECT INTO   la_id_DEL2;
    
    DBMS_OUTPUT.put_line('SQL%ROWCOUNT=' || SQL%ROWCOUNT);
    DBMS_OUTPUT.put_line('la_id_DEL.COUNT=' || la_id_DEL.COUNT);
    DBMS_OUTPUT.put_line('la_id_DEL2.COUNT=' || la_id_DEL2.COUNT);
    
    ROLLBACK;
END;
/

la_id_DEL.COUNT=1
la_id_DEL1.COUNT=1
SQL%ROWCOUNT=0
la_id_DEL.COUNT=1
la_id_DEL1.COUNT=0
SQL%ROWCOUNT=1
la_id_DEL.COUNT=1
la_id_DEL2.COUNT=1

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production