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Income Taxes (Components of Deferred Taxes) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Assets
Tax carryforwards	$ 433	$ 512
Postretirement and postemployment benefits	39	40
Pensions	139	176
Property, plant and equipment	29	23
Intangible assets	0	0
Asbestos	61	66
Accruals and other	102	88
Lease liabilities	43	30
Valuation allowances	(205)	(243)
Total	641	692
Liabilities
Tax carryforwards	0	0
Postretirement and postemployment benefits	0	0
Pensions	101	124
Property, plant and equipment	172	174
Intangible assets	385	401
Asbestos	0	0
Accruals and other	92	90
Right of use assets	42	30
Total	$ 792	$ 819

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