Quick Answer
WESTLAKE CORP reported Operating Income Loss of -$1.58 billion for the year ending 2025.
- WESTLAKE CORP showed a decrease of -280.3% in Operating Income Loss from 2024 to 2025.
- This data is from WESTLAKE CORP's annual report (Form 10-K), filed with the SEC on February 26, 2026.
- XBRL data for this metric is available from 2009 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Quarterly values from 10-Q filings: Q1 2014: $248.06 million | Q2 2014: $266.79 million | Q3 2014: $306.76 million | Q4 2014: $302.39 million | Q1 2015: $229.28 million | Q2 2015: $295.37 million | Q3 2015: $254.03 million | Q4 2015: $181.15 million | Q1 2016: $202.00 million | Q2 2016: $180.00 million | Q3 2016: $46.00 million | Q4 2016: $153.00 million | Q1 2017: $234.00 million | Q2 2017: $264.00 million | Q3 2017: $364.00 million | Q4 2017: $363.00 million | Q1 2018: $401.00 million | Q2 2018: $404.00 million | Q3 2018: $396.00 million | Q4 2018: $207.00 million | Q1 2019: $134.00 million | Q2 2019: $194.00 million | Q3 2019: $226.00 million | Q4 2019: $102.00 million | Q1 2020: $136.00 million | Q2 2020: $36.00 million | Q3 2020: $79.00 million | Q4 2020: $178.00 million | Q1 2021: $346.00 million | Q2 2021: $720.00 million | Q3 2021: $861.00 million | Q1 2022: $1.03 billion | Q2 2022: $1.18 billion | Q3 2022: $516.00 million | Q1 2023: $536.00 million | Q2 2023: $396.00 million | Q3 2023: $349.00 million | Q1 2024: $223.00 million | Q2 2024: $406.00 million | Q3 2024: $180.00 million | Q1 2025: -$32.00 million | Q2 2025: -$109.00 million | Q3 2025: -$766.00 million.
- Over the full 17 years of available data (2009 to 2025), WESTLAKE CORP's Operating Income Loss has declined by 1,571.2%.
- Historical annual values: Fiscal year 2025: -$1.58 billion | Fiscal year 2024: $875.00 million | Fiscal year 2023: $729.00 million | Fiscal year 2022: $3.05 billion | Fiscal year 2021: $2.80 billion | Fiscal year 2020: $429.00 million | Fiscal year 2019: $656.00 million | Fiscal year 2018: $1.41 billion | Fiscal year 2017: $1.23 billion | Fiscal year 2016: $583.00 million | Fiscal year 2015: $960.00 million | Fiscal year 2014: $1.12 billion | Fiscal year 2013: $953.46 million | Fiscal year 2012: $615.35 million | Fiscal year 2011: $446.80 million | Fiscal year 2010: $378.36 million | Fiscal year 2009: $107.26 million.
- Data sourced from SEC EDGAR public filings as of August 7, 2026.
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