Instead, he borrows funds or enters into a forward sales contract to provide cash for the first few years' payout.

FORBES: The new giving game

In July 2002 McCombs entered into a variable prepaid forward contract with JP Morgan with 12 different tranches to be settled (with stock or cash) in 2003, 2004 and 2005. (The bank dubbed the structure Principal Installment Stock Monetization or PrISM.) In August 2002 McCombs also agreed to lend 11.3 million shares of Clear Channel to JPMorgan Chase.

FORBES: Billionaires' Taxes