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Deferred Cash Compensation Plans and Employee Benefit Plans - Components of Deferred Cash Compensation Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Deferred Compensation [Line Items]
Deferred cash compensation expense	$ 371	$ 212	$ 226
Investment Professional Deferred Compensation Program [Member]
Deferred Compensation [Line Items]
Deferred cash compensation expense	225	155	195
Voluntary Deferred Compensation Plan [Member]
Deferred Compensation [Line Items]
Deferred cash compensation expense	26	26	17
Deferred Compensation Plan Other [Member]
Deferred Compensation [Line Items]
Deferred cash compensation expense	$ 120	$ 31	$ 14

X

- Definition

Deferred compensation.

+ References

No definition available.

+ Details

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X

- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-SubTopic 10
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483043/710-10-30-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-1

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