Earnings (Loss) and Dividends per Share (Tables)

3 Months Ended

Mar. 31, 2025

Earnings and Dividends Per Share [Abstract]

Schedule Of Net Income Attributable To Common Stockholders

Diluted earnings per share include the effects of certain stock options and performance stock units. Diluted loss per share exclude the effects of certain stock options and performance stock units because the effect of including them would have been antidilutive.

	Three Months Ended March 31,
	2025		2024
Net income (loss) attributable to Westlake Corporation	$	(40)	$	174
Less:
Net income attributable to participating securities	—		(1)
Net income (loss) attributable to common stockholders	$	(40)	$	173

Reconciliation Of Denominator For Basic And Diluted Earnings Per Share

The following table reconciles the denominator for the basic and diluted earnings per share computations shown in the consolidated statements of operations:

	Three Months Ended March 31,
	2025		2024
Weighted average common shares—basic	128,308,537		128,359,983
Plus incremental shares from:
Assumed exercise of options and vesting of performance stock units	—		660,387
Weighted average common shares—diluted	128,308,537		129,020,370
Earnings (loss) per common share attributable to Westlake Corporation:
Basic	$	(0.31)	$	1.35
Diluted	$	(0.31)	$	1.34

Dividends Per Share

Dividends per Share

Dividends declared per common share for the three months ended March 31, 2025 and 2024 were as follows:

	Three Months Ended March 31,
	2025		2024
Dividends per common share	$	0.5250	$	0.5000