Subsequent Events (Tables)

9 Months Ended

Sep. 30, 2013

Subsequent Events [Abstract]

Schedule of Subsequent Events [Table Text Block]

The following table summarizes certain pro forma financial information for us and the acquired entities that closed on October 1, 2013, had these acquisitions occurred on January 1, 2012 (in millions):

	Supplemental Pro Forma - Combined
	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
Total revenue	$	1,059	$	697	$	2,818	$	1,992
Net income	$	188	$	141	$	524	$	397