Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Payables and Accruals [Abstract]
Salaries and benefits	$ 1,189	$ 1,260
Product warranties	172	207	$ 286	$ 270
Dividends Payable	234	237
Partner rebates	221	235
Restructuring, current (See Note P)	333	115
Derivatives	82	75
Other	892	1,012
Accrued expenses	$ 3,123	$ 3,141