Exhibit 12.2 Computation of Ratio of Earnings to Fixed Charges TOTAL ENTERPRISE BASIS -- Unaudited Continuing Operations (Dollars in Millions) Year Ended December 31 ------------------------------------- 1998 1997 1996 1995 1994 ------ ------ ------ ----- ------ Portion of rentals representing interest.. $ 105 $ 82 $ 78 $ 76 $ 83 Capitalized interest...................... 46 31 11 13 58 Other interest and fixed charges.......... 328 312 382 452 456 ------ ------ ------ ----- ------ Total fixed charges (A)................... $ 479 $ 425 $ 471 $ 541 $ 597 ====== ====== ====== ===== ====== Earnings -- pretax income with applicable adjustments (B)............... $1,662 $1,745 $1,837 $ 877 $1,300 ====== ====== ====== ===== ====== Ratio of (B) to (A)....................... 3.47 4.11 3.90 1.62 2.18 ====== ====== ====== ===== ======