Investments in Affiliates (Schedule of Equity Securities Without Readily Determinable Fair Value) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Investments [Line Items]
Carrying Value	$ 170	$ 171
Dividend income	$ 147	$ 126	$ 113
Acetate Tow [Member] \| Kunming Cellulose Fibers Co. Ltd. [Member]
Schedule of Investments [Line Items]
Ownership percentage	30.00%	30.00%
Carrying Value	$ 14	$ 14
Dividend income	$ 13	$ 11	11
Acetate Tow [Member] \| Nantong Cellulose Fibers Co. Ltd. [Member]
Schedule of Investments [Line Items]
Ownership percentage	31.00%	31.00%
Carrying Value	$ 121	$ 121
Dividend income	$ 106	$ 91	79
Acetate Tow [Member] \| Zhuhai Cellulose Fibers Co. Ltd. [Member]
Schedule of Investments [Line Items]
Ownership percentage	30.00%	30.00%
Carrying Value	$ 30	$ 30
Dividend income	$ 27	$ 24	22
Other Activities [Member] \| InfraServ GmbH & Co. Wiesbaden KG [Member]
Schedule of Investments [Line Items]
Ownership percentage	8.00%	8.00%
Carrying Value	$ 5	$ 6
Dividend income	$ 1	$ 0	$ 1

Equity Securities without Readily Determinable Fair Value Ownership Percentage.

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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- Definition

Amount of dividend income on nonoperating securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(a))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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+ References

No definition available.

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