Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2023

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

	2023								2022
	12/31		9/30		6/30		3/31		12/31		9/30		6/30		3/31
	(in millions, except per share data)
Net revenues	$	3,992	$	3,925	$	3,876	$	3,742	$	3,663	$	3,484	$	3,486	$	3,625
Pretax income	494		1,117		1,127		496		817		1,335		773		1,006
Net income	$	377	$	872	$	890	$	417	$	649	$	1,061	$	614	$	825
Earnings per share:
Basic	$	3.64	$	8.31	$	8.36	$	3.86	$	5.96	$	9.60	$	5.47	$	7.26
Diluted	$	3.57	$	8.14	$	8.21	$	3.79	$	5.83	$	9.41	$	5.37	$	7.10
Weighted average common shares outstanding:
Basic	103.5		104.9		106.4		107.9		108.9		110.5		112.3		113.7
Diluted	105.7		107.1		108.4		110.0		111.4		112.7		114.4		116.2
Cash dividends declared per common share	$	1.35	$	1.35	$	1.35	$	1.25	$	1.25	$	1.25	$	1.25	$	1.13