Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Activities Under Shares Repurchase Program

The following table provides activities under the share repurchase program:

	For the three months ended June 30				For the six months ended June 30
	2016		2015		2016		2015
Number of Common Shares repurchased(1)	5,127,800		3,058,900		5,127,800		5,233,688
Weighted-average price per share(2)	$	169.13	$	193.10	$	169.13	$	206.40
Amount of repurchase (in millions)(2)	$	867	$	590	$	867	$	1,080

⁽¹⁾ Includes shares repurchased but not yet canceled at quarter end.

⁽²⁾ Includes brokerage fees.