Exit or Disposal Activities (Project K Reserve Rollforward) (Details) (Project K [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013
Restructuring Cost and Reserve [Line Items]
Beginning of period	$ 0
Restructuring Charges	208
Cash Payments	(25)
Non-cash Charges and Other	(106)	[1]
End of period	77
Employee Severance
Restructuring Cost and Reserve [Line Items]
Beginning of period	0
Restructuring Charges	107
Cash Payments	(7)
Non-cash Charges and Other	(35)	[1]
End of period	65
Asset Related Cost [Member]
Restructuring Cost and Reserve [Line Items]
Beginning of period	0
Restructuring Charges	6
Cash Payments	(1)
Non-cash Charges and Other	(5)	[1]
End of period	0
Asset Impairment Charge [Member]
Restructuring Cost and Reserve [Line Items]
Beginning of period	0
Restructuring Charges	66
Cash Payments	0
Non-cash Charges and Other	(66)	[1]
End of period	0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning of period	0
Restructuring Charges	29
Cash Payments	(17)
Non-cash Charges and Other	0	[1]
End of period	$ 12

[1] (a) Employee related non-cash charges consist of pension curtailment expense.