Taxes on Income - Deferred Income Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Income Tax [Line Items]
Product intangibles and licenses, Assets	$ 442	$ 720
Inventory related, Assets	32	32
Accelerated depreciation, Assets	0	0
Pensions and other postretirement benefits, Assets	785	565
Compensation related, Assets	322	291
Unrecognized tax benefits, Assets	109	174
Net operating losses and other tax credit carryforwards, Assets	897	715
Other, Assets	764	621
Subtotal, Assets	3,351	3,118
Valuation allowance, Assets	(1,100)	(1,348)
Deferred Tax Assets	2,251	1,770
Product intangibles and licenses, Liabilities	1,778	1,640
Inventory related, Liabilities	354	377
Accelerated depreciation, Liabilities	594	582
Pensions and other postretirement benefits, Liabilities	191	151
Other, Liabilities	84	66
Subtotal, Liabilities	3,001	2,816
Deferred income taxes, Liabilities	750	1,046
Deferred income taxes	1,470	1,702
Other Assets
Income Tax [Line Items]
Deferred Tax Assets	$ 719	$ 656