Pledged Assets, Accepted Collateral and Restricted Assets (Tables)

9 Months Ended

Sep. 30, 2024

Transfers and Servicing [Abstract]

Schedule of Financial Instruments Owned and Pledged as Collateral

The following table presents the carrying value of Northern Trust's pledged assets by type.

TABLE 56: TYPE OF PLEDGED ASSETS

(In Billions)	SEPTEMBER 30, 2024		DECEMBER 31, 2023
Debt Securities(1)	$	31.1	$	33.0
Loans(2)	10.0		10.3
Total Pledged Assets	$	41.1	$	43.3

(1) Debt securities are comprised of held to maturity and available for sale securities.

(2) Loans pledged at the FHLB of Chicago and the Federal Reserve Bank of Chicago.

Schedule of Customer Securities for which Entity has Right to Sell or Repledge

The following table presents the fair value of securities accepted as collateral.

TABLE 57: ACCEPTED COLLATERAL

(In Millions)	SEPTEMBER 30, 2024		DECEMBER 31, 2023
Collateral that may be repledged or sold
Reverse repurchase agreements(1)(2)	$	66,367.0	$	62,767.8
Derivative contracts	10.3		12.2
Collateral that may not be repledged or sold
Reverse repurchase agreements	—		—
Total Collateral Accepted	$	66,377.3	$	62,780.0

(1) The fair value of securities collateral that was repledged or sold totaled $65.3 billion and $62.0 billion at September 30, 2024 and December 31, 2023, respectively.

(2) This includes collateral accepted as related to the sponsored member program. Refer to Note 20—Commitments and Contingent Liabilities for further information.