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Regulatory Requirements (Tables)
 9 Months Ended
Sep. 30, 2021
Regulatory Capital Requirements Under Banking Regulations [Abstract]  
Regulatory Capital and Ratios The regulatory capital and ratios for CSC (consolidated) and CSB are as follows:
ActualMinimum to be
Well Capitalized		Minimum Capital Requirement
September 30, 2021AmountRatioAmountRatioAmount
Ratio (1)
CSC      
Common Equity Tier 1 Risk-Based Capital$26,616 19.6 %N/A $6,117 4.5 %
Tier 1 Risk-Based Capital36,570 26.9 %N/A 8,156 6.0 %
Total Risk-Based Capital36,591 26.9 %N/A 10,875 8.0 %
Tier 1 Leverage36,570 6.3 %N/A 23,052 4.0 %
Supplementary Leverage Ratio36,570 6.3 %N/A17,485 3.0 %
CSB  
Common Equity Tier 1 Risk-Based Capital$26,498 26.1 %$6,589 6.5 %$4,562 4.5 %
Tier 1 Risk-Based Capital26,498 26.1 %8,110 8.0 %6,082 6.0 %
Total Risk-Based Capital26,512 26.2 %10,137 10.0 %8,110 8.0 %
Tier 1 Leverage26,498 7.1 %18,700 5.0 %14,960 4.0 %
Supplementary Leverage Ratio26,498 7.0 %N/A11,384 3.0 %
December 31, 2020     
CSC      
Common Equity Tier 1 Risk-Based Capital$22,916 18.5 %N/A $5,575 4.5 %
Tier 1 Risk-Based Capital30,649 24.7 %N/A 7,433 6.0 %
Total Risk-Based Capital30,688 24.8 %N/A 9,910 8.0 %
Tier 1 Leverage30,649 6.3 %N/A 19,396 4.0 %
Supplementary Leverage Ratio30,649 6.2 %N/A14,744 3.0 %
CSB      
Common Equity Tier 1 Risk-Based Capital$17,526 19.2 %$5,919 6.5 %$4,098 4.5 %
Tier 1 Risk-Based Capital17,526 19.2 %7,285 8.0 %5,464 6.0 %
Total Risk-Based Capital17,558 19.3 %9,106 10.0 %7,285 8.0 %
Tier 1 Leverage17,526 5.5 %15,979 5.0 %12,783 4.0 %
Supplementary Leverage Ratio17,526 5.4 %N/A9,763 3.0 %
(1) Under the Basel III capital rule, CSC and CSB are also required to maintain a capital conservation buffer and a countercyclical capital buffer above the regulatory minimum risk-based capital ratios. The capital conservation buffer and countercyclical capital buffer were 2.5% and zero percent, respectively, for both periods presented. If either buffer falls below the minimum requirement, the Company would be subject to limits on capital distributions and discretionary bonus payments to executive officers. At September 30, 2021, the minimum capital requirement plus capital conservation buffer and countercyclical capital buffer for Common Equity Tier 1 Risk-Based Capital, Tier 1 Risk-Based Capital, and Total Risk-Based Capital ratios were 7.0%, 8.5%, and 10.5%, respectively.
N/A Not applicable.
Net Capital and Net Capital Requirements
Net capital and net capital requirements for CS&Co, TDAC, and TD Ameritrade, Inc., are as follows:
September 30, 2021December 31, 2020
CS&Co
Net capital$4,281 $3,117 
Minimum dollar requirement1.000 1.000 
2% of aggregate debit balances913 616 
Net capital in excess of required net capital$3,368 $2,501 
TDAC
Net capital$5,299 $4,040 
Minimum dollar requirement1.500 1.500 
2% of aggregate debit balances1,007 748 
Net capital in excess of required net capital$4,292 $3,292 
TD Ameritrade, Inc.
Net capital$675 $350 
Minimum dollar requirement0.250 0.250 
2% of aggregate debit balances— — 
Net capital in excess of required net capital$675 $350