Taxes on Earnings from Continuing Operations - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Compensation and employee benefits	$ 1,003	$ 982
Other, primarily reserves not currently deductible, and NOL's and credit carryforwards	2,383	2,378
Trade receivable reserves	196	190
Inventory reserves	146	110
Lease liabilities	259	209
Deferred intercompany profit	254	259
Total deferred tax assets before valuation allowance	4,241	4,128
Valuation allowance	(1,060)	(978)
Total deferred tax assets	3,181	3,150
Deferred tax liabilities:
Depreciation	(297)	(219)
Right of Use lease assets	(251)	(209)
Other, primarily the excess of book basis over tax basis of intangible assets	(2,876)	(3,258)
Total deferred tax liabilities	3,424	3,686
Total net deferred tax assets (liabilities)	$ (243)	$ (536)