Income Taxes (Details 7) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Breakdown between current and long-term net deferred tax assets
Net deferred tax assets	$ 200	$ 785
Manufacturing group
Breakdown between current and long-term net deferred tax assets
Other current assets	206	256
Other assets	270	591
Other liabilities	(147)
Finance group
Breakdown between current and long-term net deferred tax assets
Other liabilities	$ (129)	$ (62)