Earnings per share (Tables)

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share, Basic And Diluted

	Three Months Ended				Six Months Ended
	June 30				June 30
(in millions of U.S. dollars, except share and per share data)	2024		2023		2024		2023
Numerator:
Net income	$	2,216	$	1,793	$	4,510	$	3,685
Net income (loss) attributable to noncontrolling interests	(14)		—		137		—
Net income attributable to Chubb	$	2,230	$	1,793	$	4,373	$	3,685
Denominator:
Denominator for basic earnings per share attributable to Chubb:
Weighted-average shares outstanding	404,615,765		412,487,400		405,139,228		413,383,304
Denominator for diluted earnings per share attributable to Chubb:
Share-based compensation plans	3,990,902		3,084,476		4,138,555		3,387,233
Weighted-average shares outstanding and assumed conversions	408,606,667		415,571,876		409,277,783		416,770,537
Basic earnings per share attributable to Chubb	$	5.51	$	4.35	$	10.79	$	8.92
Diluted earnings per share attributable to Chubb	$	5.46	$	4.32	$	10.68	$	8.84
Potential anti-dilutive share conversions	1,348,531		3,143,311		939,842		2,190,304