Accrued Expenses - Components of Accrued Expenses (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Payables and Accruals [Abstract]
Salaries and benefits	$ 1,030		$ 1,078
Product warranties	233	255	289	285	291	278
Dividends payable (see Note 12)	241		205
Partner rebates	199		214
Restructuring, current (See Note 13)	117		84
Derivatives	103		23
Other	961		890
Accrued Liabilities, Current, Total	$ 2,884		$ 2,783