Acquisitions and Divestitures - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended								12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Russia [Member] Facility	Dec. 31, 2011 TransDigm Group Inc [Member] Employees	Dec. 31, 2010 TransDigm Group Inc [Member]	Dec. 31, 2011 TransDigm Group Inc [Member] California [Member] Location	Dec. 31, 2011 TransDigm Group Inc [Member] United Kingdom [Member] Location	Dec. 31, 2013 Corporate [Member]	Dec. 31, 2012 Corporate [Member]	Dec. 31, 2011 Corporate [Member]	Dec. 31, 2012 351 - Megawatt Tapoco Hydroelectric Project [Member] acre ElectricStation mi	Dec. 31, 2012 351 - Megawatt Tapoco Hydroelectric Project [Member] Primary Metals Segment [Member]	Dec. 31, 2012 351 - Megawatt Tapoco Hydroelectric Project [Member] Corporate [Member]
Business Acquisition [Line Items]
Sale of energy												$ 597
Gain (loss) on sale of business												320	426	106
Gain (loss) on sale of business, after tax												173	275	102
Number of hydroelectric generating stations and dams												4
Length of transmission line												86
Acres of land associated with divestitures												14,500
Allocation of goodwill												(94)
Business acquisition cost					240
Cash acquired and post-closing adjustments resulted in net purchase price					239
Number of employees					400
Number of business locations							1	2
Sales generated in last annual period prior to divestiture						61
Amount of goodwill recorded	3,415	5,170	5,157						518	1,272	1,281
Reduction of initial goodwill amount	1
Amount of goodwill is estimated to be deductible for income tax purposes	60
Additional contingent consideration payable	$ 50
Number of facilities acquired				2