Commitments and Contingencies (Details) € in Millions, $ in Millions		1 Months Ended		3 Months Ended
	Jun. 03, 2015 category	Aug. 31, 2014 animal	Apr. 30, 2012	Apr. 03, 2016 claims	Mar. 29, 2015 USD ($)	Jun. 19, 2013 USD ($)	Jun. 19, 2013 EUR (€)	Feb. 29, 2012 defendant
Loss Contingencies [Line Items]
Number of deaths from contamination of animal feed | animal		50,000
Number of contaminated animal from contamination of animal feed | animal		20,000
Number of counts of negligence | category	1
Loss contingency accrual period increase (decrease)						$ 14	€ 11
Litigation settlement expense | $					$ 13
MEXICO
Loss Contingencies [Line Items]
Insurance recoveries | $					$ 1
PregSure
Loss Contingencies [Line Items]
Number of claims seeking damages | claims				255
Number of claims settled | claims				158
Ulianopolis, Brazil
Loss Contingencies [Line Items]
Number of claims seeking damages | defendant								6
Number of additional defendants | defendant								5
Duration of suspension of lawsuit			1 year