Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Long-term Debt, Unclassified [Abstract]

Long-Term Debt

(Dollars in millions)	2012		2011
Statutory business trusts:
Floating-rate subordinated notes due to State Street Capital Trust IV in 2037	$	800	$	800
Floating-rate subordinated notes due to State Street Capital Trust I in 2028	155		155
Parent company and non-banking subsidiary issuances:
2.15% notes due 2012	—		1,500
2.875% notes due 2016(1)	1,014		999
4.375% notes due 2021(1)	780		757
Long-term capital leases	706		694
4.956% junior subordinated debentures due 2018(1)	550		542
4.30% notes due 2014	507		512
5.375% notes due 2017	450		450
Floating-rate notes due 2012	—		250
Floating-rate notes due 2014	250		250
7.35% notes due 2026	150		150
State Street Bank issuances:
Floating-rate extendible notes due 2014	1,000		—
5.25% subordinated notes due 2018(1)	453		453
5.30% subordinated notes due 2016	414		419
Floating-rate subordinated notes due 2015	200		200
Total long-term debt	$	7,429	$	8,131

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⁽¹⁾  We have entered into interest-rate swap agreements, recorded as fair value hedges, to modify our interest expense on these senior and subordinated notes from a fixed rate to a floating rate. As of December 31, 2012 and 2011, we recorded an increase of $174 million and $140 million, respectively, in the carrying value of long-term debt associated with fair value hedges. Refer to note 16 for additional information about derivatives.