と

パンと卵(たまご)を買(か)いました。

Pan to tamago o kaimashita.

I bought bread and eggs.

と lists exhaustively — that is all of them

友達(ともだち)と映画(えいが)を見(み)ました。

Tomodachi to eiga o mimashita.

I watched a film with a friend.

Saying who you did something with

すみません、家族(かぞく)と相談(そうだん)します。

Sumimasen, kazoku to sōdan shimasu.

Sorry, I'll need to talk it over with my family.

Politely deferring a pitch or invitation