How to NOT Use IDEA?

[Bill House]

The showpref on the key does not mention IDEA, which leaves me also
with no idea how IDEA is in the mix.

     Cipher: AES256, AES192, AES, CAST5, 3DES
     Digest: SHA256, SHA1, SHA384, SHA512, SHA224
     Compression: ZLIB, BZIP2, ZIP, Uncompressed
     Features: MDC, Keyserver no-modify

Bill

> Does this happen for any recipient?  Like if you encrypt to yourself, or
> me?  Maybe that particular recipient has IDEA in his preferences.  You
> can look at his (or your own) preferences by running 'gpg --edit-key
> key_id' and then 'showpref'.  Do either of these have IDEA listed as a
> cipher?