Exhibit 12

Computation of Ratio of Earnings to Fixed Charges

Dollars in millions

	December 31, 2004		December 31, 2003		December 31, 2002		December 31, 2001		December 31, 2000
Earnings:
Earnings from Continuing Operations	$	4,101	$	2,935	$	2,186	$	1,566	$	1,200
Add back:
Fixed charges less interest capitalized		223		188		181		187		163
Total earnings	$	4,324	$	3,123	$	2,367	$	1,753	$	1,363
Fixed Charges:
Interest, capitalized and expensed	$	128	$	95	$	90	$	94	$	72
Interest component of rental payments		95		93		91		93		91
Total fixed charges	$	223	$	188	$	181	$	187	$	163
Ratio of Earnings to Fixed Charges		19.4		16.6		13.1		9.4		8.4

For purposes of computing this ratio, earnings represent income from continuing operations. Fixed charges represent interest expense including amounts capitalized plus the interest factor in rental expense.

Computation of Ratio of Earnings to Fixed Charges and Preferred Stock Dividends

Dollars in millions

	December 31, 2004		December 31, 2003		December 31, 2002		December 31, 2001		December 31, 2000
Earnings:
Earnings from Continuing Operations	$	4,101	$	2,935	$	2,186	$	1,566	$	1,200
Add back:
Fixed charges less interest capitalized		223		188		181		187		163
Total earnings	$	4,324	$	3,123	$	2,367	$	1,753	$	1,363
Fixed Charges:
Interest, capitalized and expensed	$	128	$	95	$	90	$	94	$	72
Interest component of rental payments		95		93		91		93		91
Convertible Preferred Stock Dividends		—		—		—		—		—
Total fixed charges	$	223	$	188	$	181	$	187	$	163
Ratio of Earnings to Fixed Charges and Preferred Stock Dividends		19.4		16.6		13.1		9.4		8.4

For purposes of computing this ratio, earnings represent income from continuing operations. Fixed charges represent interest expense including amounts capitalized plus the interest factor in rental expense and any preferred stock dividend requirements, adjusted to a pretax basis.