Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited) [Text Block]

Quarterly Financial Data (Unaudited)

	2018								2017
	12/31		9/30		6/30		3/31		12/31		9/30		6/30		3/31
	(in millions, except per share data)
Net revenues	$	3,179	$	3,292	$	3,196	$	3,168	$	3,180	$	3,014	$	3,012	$	2,926
Pretax income	652		588		548		696		595		633		511		475
Net income	539		503		462		594		177		507		393		403
Earnings per share:
Basic	$	3.81	$	3.48	$	3.14	$	3.97	$	1.17	$	3.31	$	2.53	$	2.56
Diluted	$	3.76	$	3.43	$	3.10	$	3.91	$	1.15	$	3.26	$	2.50	$	2.52
Weighted average common shares outstanding:
Basic	141.5		144.4		147.0		149.5		151.0		153.0		155.1		157.5
Diluted	143.2		146.5		149.0		152.1		153.8		155.4		157.5		160.1
Cash dividends declared per common share	$	0.90	$	0.90	$	0.90	$	0.83	$	0.83	$	0.83	$	0.83	$	0.75