Supplemental Income Statement Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					12 Months Ended
	Mar. 31, 2013	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other (income) expense, net
Amortization of intangible assets						$ 31	$ 28	$ 22
Pretax costs related to sale of land							13
Business realignment and other cost-saving initiatives						2	136	0
Gain before tax on sales of non-core product lines			(207)	(50)		0	(207)	(50)
Charge for French competition law matter		21				0	21	0
Transaction costs						0	12	0
Venezuela hyperinflationary transition charge	120				271	0	0	271
Gain from remeasurement of Venezuelan balance sheet						0	0	(10)
Termination Benefits						0	0	86
Legal and environmental matters						7	11	(3)
Asset impairments						0	0	5
Equity (income)						(7)	(6)	(5)
Other, net						(1)	(17)	(15)
Total Other (income) expense, net						113	(9)	301
Interest expense, net
Interest incurred						81	59	69
Interest capitalized						(1)	(1)	(4)
Interest income						(65)	(6)	(6)
Interest expense, net						15	52	59
Research and development						259	262	256
Advertising						1,792	1,734	1,656
Two Thousand Twelve Restructuring Program [Member]
Other (income) expense, net
Restructuring and Related Cost, Incurred Cost						89
Other (Income) Expense, Net [Member]
Other (income) expense, net
Pretax costs related to sale of land						0	13	0
Other (Income) Expense, Net [Member] | Two Thousand Twelve Restructuring Program [Member]
Other (income) expense, net
Restructuring and Related Cost, Incurred Cost						$ 81	$ 0	$ 0