Long-term Employee Benefits - Schedule of Allocation of Plan Assets (Details) - Pension Plan	Dec. 31, 2021	Dec. 31, 2020
Minimum \| Equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	15.00%	20.00%
Target Allocation	15.00%
Minimum \| Debt securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	30.00%	30.00%
Target Allocation	30.00%
Minimum \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	0.00%	0.00%
Target Allocation	0.00%
Minimum \| Other
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	40.00%	40.00%
Target Allocation	40.00%
Maximum \| Equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	20.00%	25.00%
Target Allocation	20.00%
Maximum \| Debt securities
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	35.00%	35.00%
Target Allocation	35.00%
Maximum \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	5.00%	5.00%
Target Allocation	5.00%
Maximum \| Other
Defined Benefit Plan Disclosure [Line Items]
Actual plan asset allocations	45.00%	45.00%
Target Allocation	45.00%

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Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 715
-SubTopic 20
-Section 50
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