Google Analytics has added a new report that interacts with your Google Ads Display Targeting campaigns. They announced it on Google+ saying "this new report allows advertisers to see how their advertising on the Google Display Network (GDN) is performing."
The report can be located within the Google Analytics interface, under the Acquisition and then AdWords option as labeled as Display Targeting. The report shows you:
- Display Keywords
- Interests & Remarketing
Here is a screen shot:
Forum discussion at Google+.