Derivative Instruments and Fair Value Measurements (Assets Measured at Fair Value) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Asset Impairment Charges, Total	$ (4)
Level 3 [Member]
Long-lived assets, estimated fair value	38	11
Total	38	11
Long-lived assets, Impairment Loss	(70)	(17)
Asset Impairment Charges, Total	(70)	(17)
Project K [Member]
Long-lived assets, estimated fair value	31
Noncurrent assets	$ 97