Receivables and Revenue - Additional Information (Detail) - USD ($)	3 Months Ended
Mar. 25, 2022	Mar. 26, 2021	Dec. 31, 2021	Dec. 31, 2020
Receivables And Revenue [Line Items]
Collateral held for receivables from clients	$ 4,891,000,000		$ 4,803,000,000
Collateral held for securities purchased under agreements to resell	1,100,000,000		1,526,000,000
Expected credit loss on partnership loans	0		0
Receivable from mutual fund, insurance companies and other	932,000,000		850,000,000
Expected credit loss for receivables from contracts with customers	0		0
Expected credit loss for receivables from clients and securities purchased under agreement to resell	0		0
Customer Contracts [Member]
Receivables And Revenue [Line Items]
Receivable from clients balance	683,000,000		695,000,000	$ 563,000,000
Receivable from mutual fund, insurance companies and other	$ 313,000,000		$ 335,000,000	$ 285,000,000
Sales Revenue Net [Member] \| Customer [Member] \| Operating Segments [Member]
Receivables And Revenue [Line Items]
Concentration Risk, Percentage	13.00%	13.00%

Expected credit loss for receivables from clients and securities purchased under agreement to resell.

No definition available.

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- Definition

Expected credit loss for receivables from contracts with customers.

+ References

No definition available.

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- Definition

Partnership loans expected credit loss.

+ References

No definition available.

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- Definition

Amount due from mutual funds, insurance companies and other for fees and charges arising from transactions related to the entity's brokerage activities and operations.

+ References

No definition available.

+ Details

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- Definition

Receivables and revenue.

+ References

No definition available.

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- Definition

Revenue from contract with customer receivables.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
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- Definition

Fair value as of the balance sheet date of customer securities accepted as collateral by the entity that it is permitted by contract or custom to sell or re-pledge to counterparties as collateral.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 30
-Section 50
-Paragraph 1A
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- Definition

Fair value of securities received as collateral against securities purchased under agreement to resell.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
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-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313

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