Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable					$ 66
Finished and in-process goods					18
Raw materials and supplies					17
Other current assets					12
Total current assets					113
Investment in unconsolidated entities					5
Deferred tax assets					2
Other long-term assets					7
Property, plant and equipment, net					310
Operating lease assets					13
Goodwill					14
Other intangible assets, net					61
Discontinued operations impairment	$ 91		$ 91		(75)
Total long-term assets					337
Total assets held for sale					450
Accounts payable					52
Income taxes payable					1
Accrued payroll					3
Current portion of operating lease liabilities					2
Other current liabilities					9
Total current liabilities					67
Long-term pension and post employment benefit obligations					36
Deferred income taxes					22
Operating lease liabilities					5
Other long-term liabilities					8
Total long-term liabilities					71
Total liabilities held for sale					138
Net sales	0	$ 120	216	$ 360
Cost of sales (exclusive of depreciation and amortization)	0	100	183	301
Selling, general and administrative expense	0	11	16	33
Depreciation and amortization	0	8	0	26
Loss on sale of business	0	0	10	0
Asset impairments	0	67	16	67
Business realignment costs	0	0	0	1
Operating loss	0	(66)	(9)	(68)
Other non-operating expense (income), net	0	1	(5)	1
Loss from discontinued operations before income tax and earnings from unconsolidated entities	0	(67)	(4)	(69)
Income tax expense	0	2	2	3
Loss from discontinued operations, net of tax	0	(69)	(6)	(72)
Earnings from unconsolidated entities, net of tax	0	1	1	1
Loss from discontinued operations, net of taxes	0	$ (68)	(5)	$ (71)
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Total current assets held for sale	5		5		114
Long-term assets held for sale (see Note 4)	0		0		342
Current liabilities associated with assets held for sale (see Note 4)	$ 3		$ 3		$ 70