Other Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Other Liabilities, Current [Abstract]
Accrued rebates and returns	$ 4,407	$ 4,275
Accrued Income Taxes, Current	1,996	1,517
Employee-related Liabilities, Current	678	1,457
Accrued Research And Development	1,308	1,324
Dividends Payable, Current	1,037	1,025
Accrued Interest	393	493
Accrued Royalties, Current	328	418
Operating Lease, Liability, Current	136	133
Other Accrued Liabilities, Current	2,018	1,871
Other current liabilities	$ 12,301	$ 12,513