Offsetting of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2026

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Offsetting of Derivative Assets and Securities Purchased Under Agreements to Resell

The following table provides information regarding the offsetting of derivative assets and securities purchased under agreements to resell within the consolidated balance sheets as of March 31, 2026 and December 31, 2025.

TABLE 70: OFFSETTING OF DERIVATIVE ASSETS AND SECURITIES PURCHASED UNDER AGREEMENTS TO RESELL

	MARCH 31, 2026
(In Millions)	GROSS RECOGNIZED ASSETS		GROSS AMOUNTS OFFSET IN THE BALANCE SHEET(3)		NET AMOUNTS PRESENTED IN THE BALANCE SHEET		GROSS AMOUNTS NOT OFFSET IN THE BALANCE SHEET(4)		NET AMOUNT(5)
Derivative Assets(1)
Foreign Exchange Contracts Over the Counter (OTC)	$	2,332.0	$	2,088.5	$	243.5	$	10.2	$	233.3
Interest Rate Swaps OTC	91.3		91.3		—		—		—
Total Derivatives Subject to a Master Netting Arrangement	2,423.3		2,179.8		243.5		10.2		233.3
Total Derivatives Not Subject to a Master Netting Arrangement	1,434.4		—		1,434.4		—		1,434.4
Total Derivatives	3,857.7		2,179.8		1,677.9		10.2		1,667.7
Securities Purchased under Agreements to Resell(2)	$	98,862.1	$	97,183.2	$	1,678.9	$	1,678.9	$	—

	DECEMBER 31, 2025
(In Millions)	GROSS RECOGNIZED ASSETS		GROSS AMOUNTS OFFSET IN THE BALANCE SHEET(3)		NET AMOUNTS PRESENTED IN THE BALANCE SHEET		GROSS AMOUNTS NOT OFFSET IN THE BALANCE SHEET(4)		NET AMOUNT(5)
Derivative Assets(1)
Foreign Exchange Contracts OTC	$	1,707.2	$	1,696.1	$	11.1	$	2.7	$	8.4
Interest Rate Swaps OTC	83.4		82.4		1.0		—		1.0
Interest Rate Swaps Exchange Cleared	0.7		0.7		—		—		—
Total Derivatives Subject to a Master Netting Arrangement	1,791.3		1,779.2		12.1		2.7		9.4
Total Derivatives Not Subject to a Master Netting Arrangement	303.0		—		303.0		—		303.0
Total Derivatives	2,094.3		1,779.2		315.1		2.7		312.4
Securities Purchased under Agreements to Resell(2)	$	92,669.7	$	90,015.6	$	2,654.1	$	2,654.1	$	—

(1)Derivative assets are reported in Other Assets on the consolidated balance sheets.

(2)Offsetting of Securities Purchased under Agreements to Resell primarily relates to our involvement in the FICC.

(3)Including cash collateral received from counterparties.

(4)Including financial assets accepted as collateral which are received from counterparties.

(5)Northern Trust did not possess any cash collateral that was not offset in the consolidated balance sheets that could have been used to offset the net amounts presented in the consolidated balance sheets as of March 31, 2026 and December 31, 2025.

Schedule of Offsetting of Derivative Liabilities and Securities Sold Under Agreements to Repurchase

The following table provides information regarding the offsetting of derivative liabilities and securities sold under agreements to repurchase within the consolidated balance sheets as of March 31, 2026 and December 31, 2025.

TABLE 71: OFFSETTING OF DERIVATIVE LIABILITIES AND SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE

	MARCH 31, 2026
(In Millions)	GROSS RECOGNIZED LIABILITIES		GROSS AMOUNTS OFFSET IN THE BALANCE SHEET(3)		NET AMOUNTS PRESENTED IN THE BALANCE SHEET		GROSS AMOUNTS NOT OFFSET IN THE BALANCE SHEET(4)		NET AMOUNT(5)
Derivative Liabilities(1)
Foreign Exchange Contracts OTC	$	3,120.8	$	2,753.8	$	367.0	$	—	$	367.0
Interest Rate Swaps OTC	3.6		3.6		—		—		—
Other Financial Derivatives	23.7		—		23.7		—		23.7
Total Derivatives Subject to a Master Netting Arrangement	3,148.1		2,757.4		390.7		—		390.7
Total Derivatives Not Subject to a Master Netting Arrangement	645.4		—		645.4		—		645.4
Total Derivatives	3,793.5		2,757.4		1,036.1		—		1,036.1
Securities Sold under Agreements to Repurchase(2)	$	97,513.7	$	97,183.2	$	330.5	$	330.5	$	—

	DECEMBER 31, 2025
(In Millions)	GROSS RECOGNIZED LIABILITIES		GROSS AMOUNTS OFFSET IN THE BALANCE SHEET(3)		NET AMOUNTS PRESENTED IN THE BALANCE SHEET		GROSS AMOUNTS NOT OFFSET IN THE BALANCE SHEET(4)		NET AMOUNT(5)
Derivative Liabilities(1)
Foreign Exchange Contracts OTC	$	1,334.8	$	1,139.4	$	195.4	$	—	$	195.4
Interest Rate Swaps OTC	5.0		5.0		—		—		—
Interest Rate Swaps Exchange Cleared	—		—		—		—		—
Other Financial Derivatives	31.3		31.3		—		—		—
Total Derivatives Subject to a Master Netting Arrangement	1,371.1		1,175.7		195.4		—		195.4
Total Derivatives Not Subject to a Master Netting Arrangement	1,038.5		—		1,038.5		—		1,038.5
Total Derivatives	2,409.6		1,175.7		1,233.9		—		1,233.9
Securities Sold under Agreements to Repurchase(2)	$	90,307.8	$	90,015.6	$	292.2	$	292.2	$	—

(1)Derivative liabilities are reported in Other Liabilities on the consolidated balance sheets.

(2)Offsetting of Securities Sold under Agreements to Repurchase primarily relates to our involvement in the FICC.

(3)Including cash collateral deposited with counterparties.

(4)Including financial assets accepted as collateral which are deposited with counterparties.

(5)Northern Trust did not place any cash collateral with counterparties that was not offset in the consolidated balance sheets that could have been used to offset the net amounts presented in the consolidated balance sheets as of March 31, 2026 and December 31, 2025.