Segment Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Financial Information for Reportable Segments

Financial information for the segments is presented in the following table:

	Investor Services						Advisor Services						Total
Year Ended December 31,	2017		2016		2015		2017		2016		2015		2017		2016		2015
Net Revenues:
Net interest revenue	$	3,231	$	2,591	$	2,133	$	1,051	$	731	$	392	$	4,282	$	3,322	$	2,525
Asset management and
administration fees	2,344		2,093		1,837		1,048		962		813		3,392		3,055		2,650
Trading revenue	408		524		556		246		301		310		654		825		866
Other	217		199		234		73		72		94		290		271		328
Provision for loan losses	—		4		11		—		1		—		—		5		11
Total net revenues	6,200		5,411		4,771		2,418		2,067		1,609		8,618		7,478		6,380
Expenses Excluding Interest	3,725		3,380		3,090		1,243		1,105		1,011		4,968		4,485		4,101
Income before taxes on income	$	2,475	$	2,031	$	1,681	$	1,175	$	962	$	598	$	3,650	$	2,993	$	2,279
Capital expenditures	$	265	$	234	$	195	$	147	$	119	$	90	$	412	$	353	$	285
Depreciation and amortization	$	203	$	180	$	171	$	66	$	54	$	53	$	269	$	234	$	224