Receivables and Revenue (Tables)

3 Months Ended

Mar. 26, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Partnership's Disaggregated Revenue

The following table shows the Partnership's disaggregated revenue information. See Note 8 for segment information.

	Three Months Ended March 26, 2021						Three Months Ended March 27, 2020
	U.S.		Canada		Total		U.S.		Canada		Total
Fee revenue:
Asset-based fee revenue:
Advisory programs fees	$	1,640	$	27	$	1,667	$	1,281	$	19	$	1,300
Service fees		366		25		391		316		24		340
Other asset-based fees		151		—		151		166		—		166
Total asset-based fee revenue		2,157		52		2,209		1,763		43		1,806
Account and activity fee revenue:
Shareholder accounting services    fees		107		—		107		109		—		109
Other account and activity fee    revenue		59		4		63		59		3		62
Total account and activity fee    revenue		166		4		170		168		3		171
Total fee revenue		2,323		56		2,379		1,931		46		1,977
Trade revenue:
Commissions		419		14		433		464		13		477
Principal transactions		9		—		9		15		1		16
Total trade revenue		428		14		442		479		14		493
Total revenue from customers		2,751		70		2,821		2,410		60		2,470
Net interest and dividends and other   revenue		28		4		32		13		8		21
Net revenue	$	2,779	$	74	$	2,853	$	2,423	$	68	$	2,491