Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($) $ in Millions	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Salaries and benefits	$ 1,037		$ 1,189
Product warranties	136	$ 151	172	$ 189	$ 188	$ 207
Dividends payable (see Note 11)	242		234
Partner rebates	204		221
Restructuring, current (See Note 12)	153		333
Derivatives	73		82
Other	894		892
Accrued Liabilities, Current, Total	$ 2,739		$ 3,123