Restructuring and Related Implementation Charges (Details 1) (Two Thousand Twelve Restructuring Program [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2012 Cost of Sales [Member]	Dec. 31, 2012 Cost of Sales [Member]	Dec. 31, 2012 Selling, General and Administrative Expenses [Member]	Dec. 31, 2012 Other (Income) Expense, Net [Member]	Dec. 31, 2011 Other (Income) Expense, Net [Member]	Dec. 31, 2010 Other (Income) Expense, Net [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		$ 89	$ 2	$ 2	$ 6	$ 81	$ 0	$ 0
Restructuring And Related Cost, Incurred Cost, After Tax	$ 70	$ 70