Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Note [Abstract]

Dividends Declared [Table Text Block]

The following table presents dividend distributions per Common Share in Swiss francs (CHF) and U.S. dollars (USD):

	Three Months Ended						Nine Months Ended
	September 30						September 30
	2019			2018			2019			2018
	CHF	USD		CHF	USD		CHF	USD		CHF	USD
Total dividend distributions per common share	0.73	$	0.75	0.72	$	0.73	2.20	$	2.23	2.11	$	2.17

Share Repurchase Program [Table Text Block]

The following table presents repurchases of Chubb's Common Shares conducted in a series of open market transactions under the Board authorizations:

	Three Months Ended September 30				Nine Months Ended September 30				October 1, 2019 through October 30, 2019
(in millions of U.S. dollars, except share data)	2019		2018		2019		2018
Number of shares repurchased	3,079,618		2,781,307		8,417,838		5,225,162		700,900
Cost of shares repurchased	$	478	$	379	$	1,221	$	703	$	108
Repurchase authorization remaining at end of period	$	258	$	297	$	258	$	297	$	150