Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Activities Under Shares Repurchase Program

The following table provides activities under the share repurchase program:

	For the three months ended September 30				For the nine months ended September 30
	2016		2015		2016		2015
Number of Common Shares repurchased(1)	1,782,200		7,738,489		6,910,000		12,972,177
Weighted-average price per share(2)	$	192.10	$	200.84	$	175.08	$	203.08
Amount of repurchase (in millions)(2)	$	342	$	1,555	$	1,210	$	2,635

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

⁽²⁾ Includes brokerage fees.