Consolidated Condensed Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Condensed Statements of Income [Abstract]
Net sales (including excise taxes of $498, $509, $1,491 and $1,521,respectively)	$ 1,661	$ 1,622	$ 4,919	$ 4,849
Cost of sales	1,059	1,059	3,181	3,144
Gross profit	602	563	1,738	1,705
Selling, general and administrative	122	108	382	342
Operating income	480	455	1,356	1,363
Investment income	1		3	2
Interest expense	(38)	(34)	(114)	(90)
Income before income taxes	443	421	1,245	1,275
Income taxes	160	154	455	469
Net income	$ 283	$ 267	$ 790	$ 806
Earnings per share:
Basic	$ 2.17	$ 1.94	$ 6.05	$ 5.70
Diluted	$ 2.16	$ 1.94	$ 6.03	$ 5.69
Weighted average number of shares outstanding:
Basic	130.07	136.74	130.25	141.08
Diluted	130.35	137.02	130.55	141.31