Summary Of Financial Information Related To Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011		Sep. 25, 2011		Jun. 26, 2011		Mar. 27, 2011		Dec. 31, 2011	Dec. 31, 2010
Acquisitions And Divestitures [Line Items]
Net sales									$ 193	$ 1,177
(Loss) earnings before income taxes									(40)	17
(Loss) earnings after income taxes									(28)	7
Gain on sale of EIG, after income taxes										184
Other adjustments									16	73
Net (loss) earnings from discontinued operations	$ (15)	[1],[2]	$ 35	[1],[2]	$ (6)	[1],[2]	$ (26)	[1],[2]	$ (12)	$ 264

[1] Operating profit varies from the amounts previously reported on Forms 10-Q as a result of the reclassification of net gains from securities held in a separate trust from other non-operating income (expense), net to cost of sales in the fourth quarter of 2012 (Note 1).

[2] The third quarter of 2011 included a tax benefit of $66 million related to Savi which was recorded when the decision was made to dispose of the business (Note 14).