Equity (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustments	$ (845)	$ (817)
Cash flow hedges - unrealized net gain (loss)	5	(3)
Postretirement and postemployment benefits:
Net experience loss	(27)	(29)
Prior Service Cost	(80)	(82)
Total accumulated other comprehensive income (loss)	$ (947)	$ (931)	[1]

[1] * Condensed from audited financial statements.