European Strategic Changes Charges Incurred in Connection With Restructuring (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve
Marketing, research and general expenses	$ 4,069	$ 3,761	$ 3,673
Cost of Goods Sold	14,314	14,694	13,196
Provision for income taxes	768	660	788
Restructuring charges, before tax	434
Impairment in Value of Asset [Member] | European Strategic Changes [Member]
Restructuring Cost and Reserve
Cost of Goods Sold	147
Employee Severance [Member] | European Strategic Changes [Member]
Restructuring Cost and Reserve
Cost of Goods Sold	77
Asset Write-Offs [Member] | European Strategic Changes [Member]
Restructuring Cost and Reserve
Cost of Goods Sold	10
Incremental Depreciation [Member] | European Strategic Changes [Member]
Restructuring Cost and Reserve
Cost of Goods Sold	8
Other Associated Costs [Member] | European Strategic Changes [Member]
Restructuring Cost and Reserve
Cost of Goods Sold	8
Restructuring Cost [Member] | European Strategic Changes [Member]
Restructuring Cost and Reserve
Marketing, research and general expenses	49
Cost of Goods Sold	250
Provision for income taxes	(57)
Restructuring charges, before tax	$ 242