$19bn. We all knew about Google paying Apple to stay on the iPhone. That's $3bn.[1]
There's the old deal with Mozilla to be the default search engine in Firefox, but that's over. But there must be a lot of other deals to add up to $19 billion.
That Google has to pay to be on the front of Android handsets is surprising. Isn't that enforced by the bundling agreement Google requires to use the Google-proprietary parts of Android? That's how Microsoft forces their stuff onto PCs; they don't pay PC vendors.
The non-Google Android phone business is pretty dead outside China.
[1] https://www.cnbc.com/2017/08/14/google-paying-apple-3-billio...