Other Liabilities - Liabilities Balance (Detail) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Deferred income taxes		$ 829	$ 729
Fair value of cash flow hedges		780	292
Salaries and wages		648	718
Workers' compensation		369	420
Retirement benefits		304	309
Other	[1]	1,376	1,390
Total other current liabilities		4,306	3,858
Retirement benefits		4,251	4,596
Customer deposits on commercial contracts		506	617
Deferred income taxes		75	82
Other	[2]	1,084	1,070
Total other liabilities		$ 5,916	$ 6,365

[1] Consists primarily of dividends payable, taxes payable, environmental remediation reserves, warranty reserves, deferred revenue and supplier contributions in the Aerospace group, liabilities of discontinued operations and insurance-related costs.

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