Inventories (Narrative) (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended
Jun. 30, 2013 Coffee [Member]	Sep. 30, 2012 Coffee [Member]	Jun. 30, 2013 Fixed Price Contract [Member]	Jun. 30, 2013 Price-to-be-fixed Contract [Member]
Amount of coffee committed to be purchased			$ 363	$ 414
Notional amounts of outstanding derivative contracts	$ 3	$ 125

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant