Earnings per Share

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

The computations of basic and diluted earnings per share were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
	(in millions, except per share amounts)
Numerator:
Net income	$	890	$	614	$	1,307	$	1,439
Denominator:
Basic: Weighted-average common shares outstanding	106.4		112.3		107.1		113.0
Effect of potentially dilutive nonqualified stock options and other share-based awards	2.0		2.1		2.1		2.3
Diluted: Weighted-average common shares outstanding	108.4		114.4		109.2		115.3
Earnings per share:
Basic	$	8.36	$	5.47	$	12.20	$	12.73
Diluted	$	8.21	$	5.37	$	11.97	$	12.48

The calculation of diluted earnings per share excludes the incremental effect of nil options for both the three months ended June 30, 2023 and 2022, and 0.2 million options for both the six months ended June 30, 2023 and 2022, due to their anti-dilutive effect.