Wal-Mart Stores Inc.'s chief executives' compensation skyrocketed in 2002. Chief Executive Officer Lee Scott earned $18.28 million last year, including $13.1 million in restricted stock, more than doubling his 2001 payout, according to a filing with the SEC. Scott's salary was $1.14 million, on top of which he got a $3.16 million bonus, up 77% from his bonus the previous year, when his total compensation was $8.66 million. In its annual proxy statement, Wal-Mart also said Executive Vice President Thomas Coughlin more than doubled his pay, earning $7.87 million in 2002 vs. $3.11 million in 2001.