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Regulatory Capital
 3 Months Ended
Mar. 31, 2025
Banking and Thrift, Other Disclosure [Abstract]  
Regulatory Capital Regulatory Capital
For additional information on our regulatory capital, including the regulatory capital requirements administered by federal banking agencies, which we are subject to, refer to pages 163 to 164 in Note 16 to the consolidated financial statements included under Item 8, Financial Statements and Supplementary Data, in our 2024 Form 10-K.
As of March 31, 2025, we and State Street Bank exceeded all regulatory capital adequacy requirements to which we were subject to. As of March 31, 2025, State Street Bank was categorized as “well capitalized” under the applicable regulatory capital adequacy framework, and exceeded all “well capitalized” ratio guidelines to which it was subject. Management believes that no conditions or events have occurred since March 31, 2025 that have changed the capital categorization of State Street Bank.
The following table presents the regulatory capital structure, total RWA, related regulatory capital ratios and the minimum required regulatory capital ratios for us and State Street Bank as of the dates indicated.
State Street CorporationState Street Bank
(Dollars in millions)Basel III Advanced Approaches March 31, 2025Basel III Standardized Approach March 31, 2025Basel III Advanced Approaches December 31, 2024Basel III Standardized Approach December 31, 2024Basel III Advanced Approaches March 31, 2025Basel III Standardized Approach March 31, 2025Basel III Advanced Approaches December 31, 2024Basel III Standardized Approach December 31, 2024
 Common shareholders' equity:
Common stock and related surplus$11,197 $11,197 $11,226 $11,226 $13,333 $13,333 $13,333 $13,333 
Retained earnings29,959 29,959 29,582 29,582 16,208 16,208 15,977 15,977 
Accumulated other comprehensive income (loss)(1,792)(1,792)(2,100)(2,100)(1,521)(1,521)(1,805)(1,805)
Treasury stock, at cost(16,231)(16,231)(16,198)(16,198)— — — — 
Total23,133 23,133 22,510 22,510 28,020 28,020 27,505 27,505 
Regulatory capital adjustments:
Goodwill and other intangible assets, net of associated deferred tax liabilities(8,343)(8,343)(8,320)(8,320)(8,076)(8,076)(8,054)(8,054)
Other adjustments(1)
(428)(428)(391)(391)(314)(314)(278)(278)
 Common equity tier 1 capital14,362 14,362 13,799 13,799 19,630 19,630 19,173 19,173 
Preferred stock3,559 3,559 2,816 2,816 — — — — 
 Tier 1 capital17,921 17,921 16,615 16,615 19,630 19,630 19,173 19,173 
Qualifying subordinated long-term debt1,871 1,871 1,861 1,861 529 529 530 530 
Allowance for credit losses7 186 — 183 7 186 — 183 
 Total capital$19,799 $19,978 $18,476 $18,659 $20,166 $20,345 $19,703 $19,886 
 Risk-weighted assets:
Credit risk(2)
$62,541 $127,888 $63,252 $124,281 $59,213 $125,857 $57,883 $121,785 
Operational risk(3)
49,413 NA49,350 NA47,625 NA47,538 NA
Market risk2,320 2,320 2,000 2,000 2,320 2,320 2,000 2,000 
Total risk-weighted assets$114,274 $130,208 $114,602 $126,281 $109,158 $128,177 $107,421 $123,785 
Adjusted quarterly average assets$328,520 $328,520 $318,470 $318,470 $324,768 $324,768 $314,754 $314,754 
Capital Ratios:
2025 Minimum Requirements(4)
2024 Minimum Requirements(4)
Common equity tier 1 capital8.0 %8.0 %12.6 %11.0 %12.0 %10.9 %18.0 %15.3 %17.8 %15.5 %
Tier 1 capital9.5 9.5 15.7 13.8 14.5 13.2 18.0 15.3 17.8 15.5 
Total capital11.5 11.5 17.3 15.3 16.1 14.8 18.5 15.9 18.3 16.1 
Tier 1 leverage(5)
4.0 4.0 5.5 5.5 5.2 5.2 6.0 6.0 6.1 6.1 
(1) Other adjustments within CET1 capital primarily include disallowed deferred tax assets, cash flow hedges that are not recognized at fair value on the balance sheet, and the overfunded portion of our defined benefit pension plan obligation net of associated deferred tax liabilities.
(2) Under the advanced approaches, credit risk RWA includes a CVA which reflects the risk of potential fair value adjustments for credit risk reflected in our valuation of over-the-counter derivative contracts. We used a simple CVA approach in conformity with the Basel III advanced approaches.
(3) Under the current advanced approaches rules and regulatory guidance concerning operational risk models, RWA attributable to operational risk can vary substantially from period-to-period, without direct correlation to the effects of a particular loss event on our results of operations and financial condition and impacting dates and periods that may differ from the dates and periods as of and during which the loss event is reflected in our financial statements, with the timing and categorization dependent on the processes for model updates and, if applicable, model revalidation and regulatory review and related supervisory processes. An individual loss event can have a significant effect on the output of our operational RWA under the advanced approaches depending on the severity of the loss event and its categorization among the seven Basel-defined UOMs.
(4) Minimum requirements include a CCB of 2.5% and a SCB of 2.5% for the advanced approaches and the standardized approach, respectively, a G-SIB surcharge of 1.0% and a countercyclical buffer of 0%. On June 26, 2024, we were notified by the Federal Reserve of the results from the 2024 supervisory stress test. Our SCB calculated under the 2024 supervisory stress test was well below the 2.5% minimum, resulting in an SCB at that floor, which remains in effect for the period from October 1, 2024, through September 30, 2025.
(5) State Street Bank is required to maintain a minimum Tier 1 leverage ratio of 5% as it is the insured depository institution subsidiary of State Street Corporation, a U.S. G-SIB.
NA Not applicable