# File lib/fog/softlayer/requests/network/delete_global_ip_address.rb, line 22
        def delete_global_ip_address(id)
          billing = self.request(:network_subnet_ipaddress_global, "#{id}/get_billing_item").body
          billing.nil? and raise "Global IP Address with ID #{id} not found."
          request(:billing_item, "#{billing['id']}/cancel_service")
        end