Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information (Unaudited) [Abstract]

Quarterly Financial Information (Unaudited)

The following table presents selected quarterly financial data for the periods presented:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
For the Year Ended December 31, 2011:
Revenues	$	10,183.7	$	11,216.5	$	11,327.1	$	11,585.7
Operating income		624.9		643.9		681.1		909.2
Net income		434.5		448.5		479.5		725.8
Net income attributable to partners		420.7		433.7		471.4		721.1
Earnings per unit:
Basic	$	0.52	$	0.53	$	0.57	$	0.85
Diluted	$	0.49	$	0.51	$	0.55	$	0.82
For the Year Ended December 31, 2010:
Revenues	$	8,544.5	$	7,543.4	$	8,067.8	$	9,583.6
Operating income		558.9		539.7		543.2		505.4
Net income		392.4		354.4		347.6		289.3
Net income attributable to partners		69.9		54.1		37.0		159.8
Earnings per unit:
Basic	$	0.33	$	0.26	$	0.18	$	0.34
Diluted	$	0.33	$	0.26	$	0.18	$	0.33