Earnings per share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share, Basic And Diluted

	Three Months Ended
	March 31
(in millions of U.S. dollars, except share and per share data)	2024		2023
Numerator:
Net income	$	2,294	$	1,892
Net income attributable to noncontrolling interests	151		—
Net income attributable to Chubb	$	2,143	$	1,892
Denominator:
Denominator for basic earnings per share attributable to Chubb:
Weighted-average shares outstanding	405,662,694		414,289,150
Denominator for diluted earnings per share attributable to Chubb:
Share-based compensation plans	4,076,941		3,639,042
Weighted-average shares outstanding and assumed conversions	409,739,635		417,928,192
Basic earnings per share attributable to Chubb	$	5.28	$	4.57
Diluted earnings per share attributable to Chubb	$	5.23	$	4.53
Potential anti-dilutive share conversions	1,005,420		1,731,523