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Changes in Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2021
Changes in Accumulated Other Comprehensive Loss [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Translation | ​ | Post-Retirement | ​ | ​ | ​
​ | ​ | Adjustments, Net | ​ | Benefits and | ​ | ​ | ​
​ |  | of Tax |  | Other, Net of Tax |  | Total
​ | ​ | (in millions)
Balance, December 31, 2020 | ​ | $ | (31) | ​ | $ | (49) | ​ | $ | (80)
Other comprehensive (loss) income before reclassifications, net of tax | ​ |  | (7) | ​ |  | 9 | ​ |  | 2
Reclassifications from accumulated other comprehensive loss to earnings, net of tax | ​ |  | — | ​ |  | 4 | ​ |  | 4
Other comprehensive (loss) income, net of tax | ​ |  | (7) | ​ |  | 13 | ​ |  | 6
Balance, December 31, 2021 | ​ | $ | (38) | ​ | $ | (36) | ​ | $ | (74)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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