XML 69 R21.htm IDEA: XBRL DOCUMENT
v3.20.1

Changes in Accumulated Other Comprehensive Loss | 3 Months Ended
--- | ---
Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Income (Loss) Note [Text Block] | 14. Changes in Accumulated Other Comprehensive Loss. Changes in accumulated other comprehensive loss consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Translation | ​ | Post-Retirement | ​ | ​ | ​
​ | ​ | Adjustments, Net | ​ | Benefits and | ​ | ​ | ​
​ |  | of Tax |  | Other, Net of Tax |  | Total
​ | ​ | (in millions)
Balance, December 31, 2019 | ​ | $ | (38) | ​ | $ | (50) | ​ | $ | (88)
Other comprehensive loss before reclassifications, net of tax | ​ |  | (4) | ​ |  | — | ​ |  | (4)
Reclassifications from accumulated other comprehensive loss to earnings, net of tax | ​ |  | 1 | ​ |  | — | ​ |  | 1
Other comprehensive loss, net of tax | ​ |  | (3) | ​ |  | — | ​ |  | (3)
Balance, March 31, 2020 | ​ | $ | ​ | ​ | $ | ​ | ​ | $ | ​
​

X
- References No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
Name: | us-gaap_ComprehensiveIncomeNoteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration