Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2024

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following fair value hierarchy table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis at September 30, 2024 and December 31, 2023:

	Identical Assets (Level 1)				Observable Inputs (Level 2)				Unobservable Inputs (Level 3)				Total
(In millions)	09/30/24		12/31/23		09/30/24		12/31/23		09/30/24		12/31/23		09/30/24		12/31/23
Assets:
Financial instruments owned:
Exchange traded equity securities (a)	$	8	$	5	$	—	$	—	$	—	$	—	$	8	$	5
Mutual funds (a)	189		178		—		—		—		—		189		178
Money market funds (b)	440		606		—		—		—		—		440		606
Contingent purchase consideration assets (c)	—		—		—		—		—		1		—		1
Total assets measured at fair value	$	637	$	789	$	—	$	—	$	—	$	1	$	637	$	790
Fiduciary Assets:
Money market funds	$	66	$	180	$	—	$	—	$	—	$	—	$	66	$	180
Total fiduciary assets measured at fair value	$	66	$	180	$	—	$	—	$	—	$	—	$	66	$	180
Liabilities:
Contingent purchase consideration liabilities (d)	$	—	$	—	$	—	$	—	$	168	$	252	$	168	$	252
Total liabilities measured at fair value	$	—	$	—	$	—	$	—	$	168	$	252	$	168	$	252

(a) Included in other assets in the consolidated balance sheets.

(b) Included in cash and cash equivalents in the consolidated balance sheets.

(c) Included in other receivables in the consolidated balance sheets.

(d) Included in accounts payable and accrued liabilities and other liabilities in the consolidated balance sheets.

Schedule of Changes in Fair Value of Level 3 Liabilities Representing Acquisition Related Contingent Consideration

The following table sets forth a summary of the changes in fair value of the Company’s Level 3 liabilities for the three and nine months ended September 30, 2024 and 2023:

	Three Months Ended  September 30,				Nine Months Ended  September 30,
(In millions)	2024		2023		2024		2023
Balance at beginning of period	$	121	$	223	$	252	$	377
Net additions	43		5		60		9
Payments	(2)		(1)		(163)		(176)
Revaluation impact	6		4		21		21
Other	—		—		(2)		—
Balance at end of period	$	168	$	231	$	168	$	231