The $1B is a breakup fee if the deal failed for circumstances outside of his control. No breakup fee was specified for 'the deal failed because he got cold fee

The $1B is a breakup fee if the deal failed for circumstances outside of his control. No breakup fee was specified for 'the deal failed because he got cold feet'. That's one of the reasons the deal was so bizarre. He wrote it, and he wrote it in a matter that did not give him much room to maneuver.