Operating Results Reflected within Earnings from Discontinued Operations, Net of Tax (Detail) $ in Millions	3 Months Ended
	Mar. 27, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net earnings from discontinued operations	$ 92
Information Systems & Global Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	1,334
Cost of sales	(1,175)
Severance charges	(19)
Gross profit	140
Other expense, net	(1)
Operating profit	139
Interest income	1
Earnings from discontinued operations before income taxes	140
Income tax expense	(48)
Net earnings from discontinued operations	$ 92