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Taxes on Income - Deferred Income Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Income Tax [Line Items]
Product intangibles and licenses, Assets	$ 141	$ 442
Inventory related, Assets	43	32
Accelerated depreciation, Assets	0	0
Equity Method Investments, Assets	0	0
Pensions and other postretirement benefits, Assets	834	785
Compensation related, Assets	252	322
Unrecognized tax benefits, Assets	117	109
Net operating losses and other tax credit carryforwards, Assets	794	897
Other, Assets	808	764
Subtotal, Assets	2,989	3,351
Valuation allowance, Assets	(433)	(1,100)
Total deferred taxes	2,556	2,251
Product intangibles and licenses, Liabilities	1,250	1,778
Inventory related, Liabilities	335	354
Accelerated depreciation, Liabilities	588	594
Equity method investments, Liabilities	175	0
Pensions and other postretirement benefits, Liabilities	248	191
Other, Liabilities	81	84
Subtotal, Liabilities	2,677	3,001
Deferred income taxes, Liabilities	121	750
Deferred income taxes	1,015	1,470
Other Assets
Income Tax [Line Items]
Total deferred taxes	$ 894	$ 719

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