Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Employee benefits	$ 106	$ 97
Accrued expenses	26	30
Loss and other tax credit carryforwards	240	279
Inventory	6	7
Lease Liabilities	57
Other	3	11
Total deferred tax assets	438	424
Valuation allowance	(191)	(234)
Net deferred tax asset	247	190
Deferred tax liabilities:
Intangibles	160	247
Investment in foreign subsidiaries	7	8
Property, plant, and equipment	78	69
Lease right-of-use assets	57
Other	29	29
Total deferred tax liabilities	$ 331	$ 353