The newly admired billionaire has signed the Giving Pledge, which encourages the world's richest people to acquire a majority of their wealth for charitable causes, either in their lives or in their will.
The initiative was launched by Warren Buffett and Bill and Melinda Gates in 2010 and has so far attracted the support of 204 people and families.
Her personal wealth is now worth an estimated $ 36.6 billion. Her former husband leads global rankings with a net worth of around $ 114 billion.
MacKenzie Bezos said in a letter that moved "I have a disproportionate amount of money to share."
"My approach to philanthropy will continue to be thought through. It will take time and effort and care, but I will not wait. And I will hold it until security is empty," she said in the letter, dated 25. May and published Tuesday. 1[ads1]9659006] Warren Buffett Berkshire Hathaway made only $ 900 million on Amazon "data-src-mini =" // cdn.cnn.com/cnnnext/dam/assets/190516113717-01-warren-buffett-0504-small-169.jpg "data-src-xsmall =" // cdn.cnn.com/cnnnext/dam/assets/190516113717-01-warren-buffett-0504-medium-plus-169.jpg "data-src-small =" http: / /cdn.cnn.com/cnnnext/dam/assets/190516113717-01-warren-buffett-0504-large-169.jpg "data-src-medium =" // cdn.cnn.com/cnnnext/dam/assets/ 190516113717-01-warren-buffett-0504-exlarge-169.jpg "data-src-large =" // cdn.cnn.com/cnnnext/dam/assets/190516113717-01-warren-buffett-0504-super-169 .jpg "data-src-full16x9 =" // cdn.cnn.com/cnnnext/dam/assets/190516113717-01-warren-buffett-0504-full-169.jpg "data-src-mini1x1 =" // cdn .cnn.com / cnnnext / dam / assets / 190516113717-01-warren-buffett-0504-small-11.jpg "data-demand-load =" not-loaded "data-eq-pts =" mini: 0, xsmall : 221, small: 308, medium: 461, large: 781 "src =" data: image / gif; base64, R0lGODlhEAAJAJEAAAAAAAP /////// wAAACH5BAEAAAIALAAAAAAQAAkAAAIKlI + p y + 0Po5yUFQA7 "/>