v3.2.0.727
Shareholders' equity Shareholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2015
Shareholders' equity [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
 
 
Six Months Ended
 
 
June 30
 
 
June 30
 
 
2015
 
 
2014
 
 
2015
 
 
2014
 
CHF

 
USD

 
CHF

 
USD

 
CHF

 
USD

 
CHF

 
USD

Dividends – par value reduction
—

 
$


 
0.58

 
$
0.65

 
0.62

 
$
0.65

 
1.03

 
$
1.16

Dividends – distributed from capital contribution reserves
0.62

 
0.67

 
—

 
—

 
0.62

 
0.67

 
0.20

 
0.24

Total dividend distributions per common share
0.62

 
$
0.67

 
0.58

 
$
0.65

 
1.24

 
$
1.32

 
1.23

 
$
1.40
Share Repurchase Program [Table Text Block]
The following table presents repurchases of ACE's Common Shares conducted in a series of open market transactions under the Board authorizations:
(in millions of U.S. dollars, except share data)
Three Months Ended
 June 30
 
 
Six Months Ended
June 30
 
2015

 
2014

 
2015

 
2014

Number of shares repurchased
3,650,200

 
2,306,000

 
6,677,663

 
5,793,882

Cost of shares repurchased
$
394

 
$
237

 
$
734

 
$
569

Repurchase authorization remaining at end of period
$
766

 
$
1,374

 
$
766

 
$
1,374