Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fee revenue
Asset-based	$ 3,399	$ 3,089	$ 2,523
Account and activity	690	617	568
Total fee revenue	4,089	3,706	3,091
Trade revenue	2,425	2,460	2,439
Interest and dividends	158	135	134
Other revenue	22	32	52
Total revenue	6,694	6,333	5,716
Interest expense	75	55	59
Net revenue	6,619	6,278	5,657
Operating expenses:
Compensation and benefits	4,641	4,436	3,960
Occupancy and equipment	382	367	356
Communications and data processing	286	289	292
Professional and consulting fees	87	59	48
Advertising	69	70	58
Postage and shipping	51	51	51
Other operating expenses	265	236	218
Total operating expenses	5,781	5,508	4,983
Income before allocations to partners	838	770	674
Allocations to partners:
Limited partners	121	82	78
Subordinated limited partners	93	87	73
General partners	624	601	523
Net income	$ 0	$ 0	$ 0
Income allocated to limited partners per weighted average $1,000 equivalent limited partnership unit outstanding	$ 131.42	$ 129.40	$ 121.12
Weighted average $1,000 equivalent limited partnership units outstanding	921,747	636,481	644,856