Liabilities Balance (Detail) (USD $) In Millions, unless otherwise specified	Apr. 05, 2015		Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Deferred income taxes	$ 739		$ 729
Fair value of cash flow hedges	722		292
Salaries and wages	601		718
Workers' compensation	417		420
Retirement benefits	306		309
Other	1,573	[1]	1,390	[1]
Total other current liabilities	4,358		3,858
Retirement benefits	4,595		4,596
Customer deposits on commercial contracts	594		617
Deferred income taxes	85		82
Other	1,069	[2]	1,070	[2]
Total other liabilities	$ 6,343		$ 6,365

[1] Consists primarily of dividends payable, taxes payable, environmental remediation reserves, warranty reserves, liabilities of discontinued operations and insurance-related costs.

[2] Consists primarily of liabilities for warranty reserves and workers' compensation and liabilities of discontinued operations.