Restructuring (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Provision for restructuring	$ 33	$ 7	$ 41	$ 10
European Division Headquarters [Member]
Restructuring Cost and Reserve [Line Items]
Provision for restructuring			3
Restructuring and Related Cost, Cost Incurred to Date			40
Employee compensation cost, payment period (in years)			2 years
European Food Actions [Member]
Restructuring Cost and Reserve [Line Items]
Provision for restructuring			1
Restructuring and Related Cost, Cost Incurred to Date			16
Headcount reduction due to consolidation (in employees)			165
Business capacity reduction (as a percent)			7.00%
Expected future additional charges			2
Expected restructuring and related expected total costs			18
Other European operations [Member]
Restructuring Cost and Reserve [Line Items]
Provision for restructuring			4
Restructuring and Related Cost, Cost Incurred to Date			67
Headcount reduction due to consolidation (in employees)			474
Business capacity reduction (as a percent)			20.00%
Expected future additional charges			3
Expected restructuring and related expected total costs			70
2013 Action - European Division [Member]
Restructuring Cost and Reserve [Line Items]
Provision for restructuring			$ 31
Headcount reduction due to consolidation (in employees)			235