He said the money would go to causes that work to tackle climate change and to support people who can unify humanity.
It was the first interview Bezos had done with Sánches since they began dating in 2019.
The announcement comes after Dolly Parton was awarded a $100m (£84.8m) prize by Jthe billionaire to use for charitable causes.
The music legend and philanthropist was awarded the Bezos Courage & Civility Award, which recognises leaders who “pursue solutions with courage and civility.”
Bezos has received criticism in the past for not matching the charitable donations of other billionaires.
Despite being the second-richest person on the planet, he has not yet signed the Giving Pledge. This is a campaign set up by Bill Gates and Warren Buffet to encourage the mega-rich of the world to contribute a majority of their wealth to charity and philanthropic causes.
As of June 2022, 236 people have signed the pledge, including Elon Musk, Mark Zuckerberg and George Lucas.