Earnings Per Share and Equity (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share and Equity Tables [Abstract]

Reconciliation of basic and diluted earnings per share

	Year Ended December 31,
	2013		2012		2011
Net income attributable to common shareholders	$	1,719	$	1,160	$	2,495
Weighted average common shares outstanding — basic		856		816		663
Assumed exercise and/or distributions of stock-based awards		4		3		2
Weighted average common shares outstanding — diluted		860		819		665