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Net Capital Requirements - Partnership's Capital Figures for U.S. and Canada Broker-Dealer Subsidiaries (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Edward D. Jones & Co., L. P [Member]    
Regulatory Capital Requirements    
Net capital $ 938 $ 981
Net capital in excess of the minimum required $ 873 $ 919
Net capital as a percentage of aggregate debit items 28.90% 31.70%
Net capital after anticipated capital withdrawals, as a percentage of aggregate debit items 5.20% 13.00%
Canada [Member]    
Regulatory Capital Requirements    
Regulatory risk-adjusted capital $ 71 $ 136
Regulatory risk-adjusted capital in excess of the minimum required $ 69 $ 134