Exit or Disposal Activities (Narrative) (Details) (COGS and SGA Programs [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Severance costs			$ 4
Other cash costs including relocation of assets and employees			2
Asset write-offs			4
Total charges and program costs incurred	1	4	10	4
Additional expected program costs			4
U.S. Morning Foods [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		1		1
Other cash costs including relocation of assets and employees	1
Total charges and program costs incurred			3
U.S. Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		2		2
Total charges and program costs incurred			1
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Asset write-offs		1		1
Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Total charges and program costs incurred			$ 6