Other Liabilities - Liabilities Balance (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Other Liabilities Disclosure [Abstract]
Salaries and wages	$ 807		$ 835
Workers' compensation	497		578
Retirement benefits	303		318
Deferred income taxes	298		173
Other	1,457	[1]	1,205	[1]
Total other current liabilities	3,362		3,109
Retirement benefits	3,076		5,671
Customer deposits on commercial contracts	677		849
Deferred income taxes	137		144
Other	955	[2]	727	[2]
Total other liabilities	4,845		7,391
Dividends payable	$ 198

[1] Consists primarily of dividend 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.