Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2017

Selected Quarterly Financial Information [Abstract]

Selected Quarterly Financial Data

Selected Quarterly Financial Data (Unaudited)

Selected quarterly financial data is as follows:

	For the Quarter Ended
	March 31		June 30		September 30		December 31
2017
Total revenues	$	22,525.9	$	22,407.2	$	22,426.0	$	22,680.3
Income before income tax expense	1,515.0		1,205.7		1,118.9		124.2
Net income	1,009.9		855.3		746.9		1,230.7
Basic net income per share	$	3.82	$	3.23	$	2.87	$	4.80
Diluted net income per share	3.73		3.16		2.80		4.67
2016
Total revenues	$	20,288.5	$	21,456.2	$	21,403.9	$	21,714.4
Income before income tax expense	1,312.0		1,448.3		1,136.5		658.6
Net income	703.0		780.6		617.8		368.4
Basic net income per share	$	2.69	$	2.97	$	2.35	$	1.40
Diluted net income per share	2.63		2.91		2.30		1.37