the left hand doesnt know what the right hand is doing

The left hand doesnt know what the right hand is doing is a very common idiom which is a biblical verse that refers to the fact that one part of an organization usually does not know what another part of the organization is doing. While most commonly referring to a company or group of people in an organization, this phrase can be used for a variety of other situations with a large number of aspects that dont always know about each other.