Expenses (Tables)

6 Months Ended

Jun. 30, 2017

Other Expenses [Abstract]

Schedule of Expenses

The following table presents the components of other expenses for the periods indicated:

	Three Months Ended June 30,					Six Months Ended June 30,
(In millions)	2017			2016		2017			2016
Insurance	$	28		$	21	$	58		$	44
Regulatory fees and assessments	18			18		45			38
Securities processing	9			6		16			10
Litigation	(17		)	—		(17		)	—
Other	94			93		181			158
Total other expenses	$	132		$	138	$	283		$	250

Restructuring and Related Costs

The following table presents aggregate restructuring activity for the periods indicated:

(In millions)	Employee Related Costs			Real Estate Consolidation			Asset and Other Write-offs			Total
Accrual Balance at December 31, 2015	$	9		$	11		$	3		$	23
Accruals for State Street Beacon	86			—			11			97
Payments and Other Adjustments	(4		)	(1		)	(7		)	(12		)
Accrual Balance at March 31, 2016	$	91		$	10		$	7		$	108
Accruals for State Street Beacon	(1		)	15			(1		)	13
Payments and Other Adjustments	(35		)	(3		)	(1		)	(39		)
Accrual Balance at June 30, 2016	$	55		$	22		$	5		$	82
Accrual Balance at December 31, 2016	$	37		$	17		$	2		$	56
Accruals for State Street Beacon	14			—			2			16
Payments and Other Adjustments	(13		)	(3		)	(2		)	(18		)
Accrual Balance at March 31, 2017	$	38		$	14		$	2		$	54
Accruals for State Street Beacon	60			—			2			62
Payments and other adjustments	(11		)	(3		)	(2		)	(16		)
Accrual Balance at June 30, 2017	$	87		$	11		$	2		$	100