Net Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2021

Brokers And Dealers [Abstract]

Partnership's Capital Figures for U.S. and Canada Broker-Dealer Subsidiaries

The following table shows the capital figures for its U.S. and Canada broker-dealers as of December 31:

	2021			2020
U.S.:
Net capital	$	1,421		$	1,306
Net capital in excess of the minimum required	$	1,352		$	1,248
Net capital as a percentage of aggregate debit items		41.3	%		45.0	%
Net capital after anticipated capital withdrawals, as a    percentage of aggregate debit items		20.7	%		23.1	%
Canada:
Regulatory risk-adjusted capital	$	71		$	56
Regulatory risk-adjusted capital in excess of the    minimum required to be held by IIROC	$	50		$	47