Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Accounts Payable and Accrued Liabilities, Current
Accounts payable, principally trade	$ 791	$ 716
Common stock dividends payable	70	137
Employee compensation and withholdings	542	481
Property, payroll and certain other taxes	143	166
Infusion pump reserves		52
Business optimization reserves	153	98
Accrued rebates	206	192
Separation-related reserves	46	190
All other	661	634
Accounts payable and accrued liabilities	$ 2,612	$ 2,666