split between

split something between (someone and someone else)

 and split something between (something and something else)
to divide something between two people or things. The cook split the last of the pie between Jane and Carla. We have to split the copies of the reports between the two committees.
See also: split
References in periodicals archive ?
The premium payments and policy benefits are split between two parties -- in this case, the company and the executive.
That's because his liability is determined by the PS 58 table in the tax code, which defines the economic value of life insurance split between an employer and an employee.
Following a series of public meetings in the San Gabriel and San Fernando Valleys, the telecommunications industry agreed to recommend to the California Public Utilities Commission (CPUC) that the 818 area code be geographically split between the Valleys.