According to eBay’s current annual report, the Payments segment makes up 45 percent of total revenue.
In the third quarter of 2014, the company generated 1,950 million U.S. dollars through this segment, representing an increase of approximately 20 percent over the same quarter last year. The Market Place accounted for a mere 6.4 percent - 2,156 million U.S. dollars. Overall, eBay made 4.4 billion U.S. dollars between July and September.
This chart shows the revenue of eBay’s Marketplace and Payments segments
You will find more statistics at Statista