Net Income (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 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 June 30,				Six months ended June 30,
	2023		2022		2023		2022
Numerator:
Net income (loss)—basic and diluted	$	534	$	(818)	$	759	$	(1,084)
Denominator:
Basic weighted-average common shares outstanding	157.0		159.6		157.1		160.0
Effect of share-based awards:
Stock options	0.6		—		0.8		—
Nonvested shares	0.4		—		0.4		—
Diluted weighted-average shares	158.0		159.6		158.3		160.0
Earnings (loss) per share:
Basic	$	3.40	$	(5.12)	$	4.83	$	(6.77)
Diluted	$	3.38	$	(5.12)	$	4.80	$	(6.77)
Number of anti-dilutive share-based awards	1.5		2.0		1.5		2.2