Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Long-term debt outstanding

The company’s long-term debt outstanding at year-end 2012 and 2011 was as follows:

	At December 31
	2012			2011
3.95% notes due 2014	$	—		$	1,998
1.104% notes due 2017	2,000			—
2.355% notes due 2022	2,000			—
4.95% notes due 2019	1,500			1,500
8.625% debentures due 2032	147			147
8.625% debentures due 2031	107			107
7.5% debentures due 2043	83			83
8% debentures due 2032	74			74
9.75% debentures due 2020	54			54
7.327% amortizing notes due 20141	43			59
8.875% debentures due 2021	40			40
Medium-term notes, maturing from 2021 to 2038 (5.92%)2	38			38
Other long-term debt (8.07%)2	—			1
Total including debt due within one year	6,086			4,101
Debt due within one year	(20		)	(17		)
Reclassified from short-term debt	5,900			5,600
Total long-term debt	$	11,966		$	9,684

¹  Guarantee of ESOP debt.

²  Weighted-average interest rate at December 31, 2012 and 2011.