XML 74 R16.htm IDEA: XBRL DOCUMENT
v3.20.1

Accumulated Other Comprehensive Income (Loss) (Notes) | 3 Months Ended
--- | ---
Mar. 31, 2020
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) Changes in accumulated other comprehensive income (loss) by component for the three months ended March 31, 2020 and 2019 were as follows:
|  | Pension and Other Post-Retirement Benefits Liability, Net of Tax |  | Cumulative Foreign Currency Exchange, Net of Tax |  | Total
Balances at December 31, 2019 |  | $ | 3 |  |  | $ | (77 | ) |  | $ | (74 | )
Other comprehensive loss before reclassifications |  | — |  |  | (32 | ) |  | (32 | )
Net other comprehensive loss attributable to Westlake Chemical Corporation |  | — |  |  | (32 | ) |  | (32 | )
Balances at March 31, 2020 |  | $ | 3 |  |  | $ | (109 | ) |  | $ | (106 | )
Balances at December 31, 2018 |  | $ | 27 |  |  | $ | (89 | ) |  | $ | (62 | )
Other comprehensive loss before reclassifications |  | — |  |  | (2 | ) |  | (2 | )
Net other comprehensive loss attributable to Westlake Chemical Corporation |  | — |  |  | (2 | ) |  | (2 | )
Balances at March 31, 2019 |  | $ | 27 |  |  | $ | (91 | ) |  | $ | (64 | )

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

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