Line of Business Information

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Line of Business Information

Line of Business Information

We have two lines of business: Investment Servicing and Investment Management. Given our services and management organization, the results of operations for these lines of business are not necessarily comparable with those of other companies, including companies in the financial services industry. Information about our two lines of business, as well as revenues, expenses and capital allocation methodologies associated with these lines of business, is provided in note 24 to the consolidated financial statements included in our 2012 Form 10-K.

The following tables provide a summary of our line of business results for the periods indicated. The “Other” column for the third quarter and first nine months of2013 included net acquisition and restructuring costs of $30 million and $74 million, respectively, and certain provisions for litigation exposure and other costs of $5 million and $20 million, respectively. The third quarter and first nine months of2012 included the $362 million credit related to recoveries associated with the 2008 Lehman Brothers bankruptcy, as well as certain provisions for litigation exposure and other costs of $85 million and $107 million, respectively, and net acquisition and restructuring costs of $28 million and $86 million, respectively. In addition, the first nine months of2012 included the net realized loss from the sale of all of our Greek investment securities. The amounts in the “Other” columns were not allocated to State Street's business lines. Results for 2012 reflect reclassifications, for comparative purposes, related to management changes in methodology associated with funds transfer pricing and expense allocation reflected in results for 2013.

	Three Months Ended September 30,
(Dollars in millions, except where otherwise noted)	Investment Servicing						Investment Management						Other						Total
	2013			2012			2013			2012			2013			2012			2013			2012
Fee revenue:
Servicing fees	$	1,211		$	1,100		$	—		$	—		$	—		$	—		$	1,211		$	1,100
Management fees	—			—			276			251			—			—			276			251
Trading services	242			208			14			24			—			—			256			232
Securities finance	69			81			5			10			—			—			74			91
Processing fees and other	60			38			6			7			—			—			66			45
Total fee revenue	1,582			1,427			301			292			—			—			1,883			1,719
Net interest revenue	527			600			19			19									546			619
Gains (losses) related to investment securities, net	(4		)	18			—			—			—			—			(4		)	18
Total revenue	2,105			2,045			320			311			—			—			2,425			2,356
Total expenses	1,496			1,459			191			205			35			(249		)	1,722			1,415
Income before income tax expense	$	609		$	586		$	129		$	106		$	(35	)	$	249		$	703		$	941
Pre-tax margin	29		%	29		%	40		%	34		%							29		%	40		%
Average assets (in billions)	$	197.7		$	192.1		$	3.6		$	3.7								$	201.3		$	195.8

	Nine Months Ended September 30,
(Dollars in millions, except where otherwise noted)	Investment Servicing						Investment Management						Other						Total
	2013			2012			2013			2012			2013			2012			2013			2012
Fee revenue:
Servicing fees	$	3,587		$	3,264		$	—		$	—		$	—		$	—		$	3,587		$	3,264
Management fees	—			—			816			733			—			—			816			733
Trading services	778			695			55			72			—			—			833			767
Securities finance	255			296			28			35			—			—			283			331
Processing fees and other	181			183			11			4			—			—			192			187
Total fee revenue	4,801			4,438			910			844			—			—			5,711			5,282
Net interest revenue	1,655			1,858			63			58			—			—			1,718			1,916
Gains (losses) related to investment securities, net	(9		)	48			—			—			—			(46		)	(9		)	2
Total revenue	6,447			6,344			973			902			—			(46		)	7,420			7,200
Provision for loan losses	—			(1		)	—			—			—			—			—			(1		)
Total expenses	4,628			4,537			624			654			94			(169		)	5,346			5,022
Income before income tax expense	$	1,819		$	1,808		$	349		$	248		$	(94	)	$	123		$	2,074		$	2,179
Pre-tax margin	28		%	28		%	36		%	27		%							28		%	30		%
Average assets (in billions)	$	201.9		$	187.2		$	3.8		$	3.8								$	205.7		$	191.0