The Google Analytics API-based connectors provides access to the Last-touch Revenue-Attribution feed. Detail of the logic used by Google Analytics for revenue attribution are documented here (as of 12/12/2013).
Please note that this integration works for both Classic Analytics and Universal Analytics (the new version of Google Analytics)
To obtain the report above, we pull the following data from Google Analytics
Other dimensions are available in the Google Analytics API(for example: AdWords AdMatchType), but it only allow to pull 7 dimensions at the same time.