As part of a trial examining his controversial incentive, Musk played coy about his C-suite ambitions.
Musk was accused by shareholders of not dedicating his attention to the company and of helping set easily attainable performance targets.
Ira Ehrenpreis testified Monday that the package was designed to keep Musk in charge of the company for a long time.
This year has been a turning point in Musk's life, with him taking over the social media platform.
Musk said he doesn't want to be the CEO of any company.
$4 billion. The final part of Musk's compensation package was worth less than that.
It is estimated that Musk is the largest fortune in the world. The majority of his net worth is tied to his stock and options.
Musk said that comedy is legal and that he prefers to go by "technoking" instead of "CEO". Following his takeover of the micro-blogging site, he made a joke about comedy being legal on it.
The judge presiding over this case is the same judge who oversaw the lawsuit that was brought against Musk. The case did not go to trial after Musk agreed to close the deal at the original price.
The man behind the billion's is Musk.