1. A method for metering usage of a plurality of cloud resources in a cloud computing environment when processing a cloud service request, comprising: defining the physical implementation of delineation points on each of the plurality of clouds in the environment; tracking each of a plurality of inter-cloud operational transactions as each transaction passes through a delineation point entering a cloud; tracking each of the plurality of inter-cloud operational transactions as each transaction passes through a delineation point exiting a cloud; maintaining a transaction ledger in each of the plurality of clouds; calculating an amount of time each of the plurality of operational transactions was within each of the plurality of clouds; and storing the amount of time in the respective transaction ledger.