Net Income (Loss) Per Common Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Calculations For Basic And Diluted Earnings Per Share

The table shows calculations for basic and diluted earnings per share:

(In millions, except per share data)	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Numerator:
Net income (loss)—basic and diluted	$	(99)	$	(416)	$	660	$	(1,500)
Denominator:
Basic weighted-average common shares outstanding	156.9		158.0		157.0		159.3
Effect of share-based awards:
Stock options	—		—		0.7		—
Nonvested shares	—		—		0.5		—
Diluted weighted-average shares	156.9		158.0		158.2		159.3
Earnings (loss) per share:
Basic	$	(0.63)	$	(2.63)	$	4.20	$	(9.42)
Diluted	$	(0.63)	$	(2.63)	$	4.17	$	(9.42)
Number of anti-dilutive share-based awards	2.4		2.3		1.3		1.9