EXHIBIT 12 - -------------------------------------------------------------------------------- COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (In millions, except ratios) YEAR ENDED DECEMBER 31, - -------------------------------------------------------------------------------------------------------------------------- 1995 1994 1993 1992 1991 - -------------------------------------------------------------------------------------------------------------------------- Income (loss) from continuing operations before income tax expense (benefit) $ 524 $ 559 $ (74) $ 510 $ 431 Add: Interest costs 117 120 109 100 110 Estimated interest in rentals(1) 29 31 31 29 24 - -------------------------------------------------------------------------------------------------------------------------- Fixed charges as defined: 146 151 140 129 134 Interest costs capitalized (3) (2) (5) (5) (4) Losses of less than majority owned affiliates, net of dividends 10 18 27 34 32 - -------------------------------------------------------------------------------------------------------------------------- Income as adjusted $ 677 $ 726 $ 88 $ 668 $ 593 - -------------------------------------------------------------------------------------------------------------------------- Ratio of earnings to fixed charges 4.64 4.80 0.63 5.18 4.42 - -------------------------------------------------------------------------------------------------------------------------- (1) Represents the estimated interest portion of rents. 24