v3.25.4
Regulatory Capital Requirements and Regulations (Tables)
12 Months Ended
Dec. 31, 2025
Banking and Thrift, Other Disclosure [Abstract]  
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations
The following tables summarize the applicable holding company and bank regulatory capital requirements:
 
December 31, 2025
Minimum Requirement
Minimum Requirement plus SCB (1)
To Be Well
Capitalized
 AmountRatio
(Dollars in millions)
Common equity Tier 1 capital:
Regions Financial Corporation$13,490 10.89 %4.50 %7.00 %N/A
Regions Bank14,475 11.72 4.50 7.00 6.50 %
Tier 1 capital:
Regions Financial Corporation$14,859 11.99 %6.00 %8.50 %6.00 %
Regions Bank14,475 11.72 6.00 8.50 8.00 
Total capital:
Regions Financial Corporation$17,205 13.89 %8.00 %10.50 %10.00 %
Regions Bank16,517 13.37 8.00 10.50 10.00 
Leverage capital:
Regions Financial Corporation$14,859 9.68 %4.00 %4.00 %N/A
Regions Bank14,475 9.48 4.00 4.00 5.00 %
 December 31, 2024Minimum Requirement
Minimum Requirement plus SCB (1)
To Be Well
Capitalized
 AmountRatio
(Dollars in millions)
Common equity Tier 1 capital:
Regions Financial Corporation$13,434 10.80 %4.50 %7.00 %N/A
Regions Bank14,035 11.32 4.50 7.00 6.50 %
Tier 1 capital:
Regions Financial Corporation$15,149 12.17 %6.00 %8.50 %6.00 %
Regions Bank14,035 11.32 6.00 8.50 8.00 
Total capital:
Regions Financial Corporation$17,500 14.06 %8.00 %10.50 %10.00 %
Regions Bank16,081 12.97 8.00 10.50 10.00 
Leverage capital:
Regions Financial Corporation$15,149 9.88 %4.00 %4.00 %N/A
Regions Bank14,035 9.21 4.00 4.00 5.00 %
 _________
(1)Reflects Regions' SCB of 2.50%. SCB does not apply to leverage capital ratios. See Note 14 for further details regarding CCAR results.