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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, 2023
Dec. 31, 2022
Edward D. Jones & Co., L. P [Member]    
Regulatory Capital Requirements    
Net capital $ 981 $ 1,038
Net capital in excess of the minimum required $ 919 $ 965
Net capital as a percentage of aggregate debit items 31.70% 28.40%
Net capital after anticipated capital withdrawals, as a percentage of aggregate debit items 13.00% 13.30%
Canada [Member]    
Regulatory Capital Requirements    
Regulatory risk-adjusted capital $ 136 $ 103
Regulatory risk-adjusted capital in excess of the minimum required $ 134 $ 102