Earnings per share

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings per share

Earnings per share

			As Adjusted
	Year Ended December 31
(in millions of U.S. dollars, except share and per share data)	2023		2022		2021
Numerator:
Net income	$	9,015	$	5,246	$	8,525
Net loss attributable to noncontrolling interests	(13)		—		—
Net income attributable to Chubb	$	9,028	$	5,246	$	8,525
Denominator:
Denominator for basic earnings per share attributable to Chubb:
Weighted-average shares outstanding	410,845,263		419,779,847		439,968,422
Denominator for diluted earnings per share attributable to Chubb:
Share-based compensation plans	3,357,305		3,747,597		3,228,856
Weighted-average shares outstanding and assumed conversions	414,202,568		423,527,444		443,197,278
Basic earnings per share attributable to Chubb	$	21.97	$	12.50	$	19.38
Diluted earnings per share attributable to Chubb	$	21.80	$	12.39	$	19.24
Potential anti-dilutive share conversions	2,385,099		1,467,840		1,532,066

Excluded from weighted-average shares outstanding and assumed conversions is the impact of securities that would have been anti-dilutive during the respective years. These securities consisted of stock options in which the underlying exercise prices were greater than the average market prices of our Common Shares. Refer to Note 16 for additional information on stock options.