SUPPLEMENTAL FINANCIAL INFORMATION Other Non-Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Other Non-Current Assets [Abstract]
Accrued rebates and returns	$ 4,275		$ 2,417
Accrued Income Taxes, Current	1,517		398
Employee-related Liabilities, Current	1,457		848
Accrued Research And Development	1,324		805
Dividends Payable, Current	1,025		669
Accrued Interest	493		69
Accrued Royalties, Current	418		391
Operating Lease, Liability, Current	133	$ 40	0
Other Accrued Liabilities, Current	1,871		1,462
Other current liabilities	$ 12,513		$ 7,059