Reporting Segments (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Results of Reporting Segments

The following table presents the earnings contributions and certain average balances of Northern Trust’s reporting segments for the three month periods ended March 31, 2025 and 2024.

TABLE 55: RESULTS OF REPORTING SEGMENTS

($ In Millions)	ASSET SERVICING					WEALTH MANAGEMENT					OTHER					TOTAL CONSOLIDATED
THREE MONTHS ENDED MARCH 31,	2025			2024		2025			2024		2025			2024		2025			2024
Noninterest Income
Trust, Investment and Other Servicing Fees	$	671.9		$	639.6	$	541.9		$	503.3	$	—		$	—	$	1,213.8		$	1,142.9
Foreign Exchange Trading Income (Loss)	63.9			59.9		(5.2)			(2.9)		—			—		58.7			57.0
Other Noninterest Income (Loss)	68.6			70.7		33.5			38.5		(2.7)			(190.4)		99.4			(81.2)
Total Noninterest Income (Loss)	804.4			770.2		570.2			538.9		(2.7)			(190.4)		1,371.9			1,118.7
Net Interest Income (Expense)(1)	323.2			292.4		250.2			241.4		(5.3)			(5.7)		568.1			528.1
Revenue(1)	1,127.6			1,062.6		820.4			780.3		(8.0)			(196.1)		1,940.0			1,646.8
Provision for Credit Losses	2.1			(5.8)		(0.9)			(1.7)		(0.2)			(1.0)		1.0			(8.5)
Noninterest Expense
Compensation	94.5			95.6		151.4			145.0		398.5			386.5		644.4			627.1
Employee Benefits	17.4			17.0		22.2			20.7		70.1			63.4		109.7			101.1
Outside Services	58.7			61.1		14.4			10.1		172.1			158.1		245.2			229.3
Allocated Expense	697.2			654.2		306.5			295.6		(1,003.7)			(949.8)		—			—
Other Segment Items(2)	22.7			21.3		22.6			18.3		373.0			367.6		418.3			407.2
Total Noninterest Expense	890.5			849.2		517.1			489.7		10.0			25.8		1,417.6			1,364.7
Income (Loss) before Income Taxes(1)	235.0			219.2		304.2			292.3		(17.8)			(220.9)		521.4			290.6
Provision for Income Taxes(1)	50.8			48.4		74.4			73.6		4.2			(46.1)		129.4			75.9
Net Income (Loss)	$	184.2		$	170.8	$	229.8		$	218.7	$	(22.0)		$	(174.8)	$	392.0		$	214.7
Percentage of Consolidated Net Income	47		%	N/M		59		%	N/M		(6)		%	N/M		100		%	100		%
Average Assets	$	109,776.8		$	106,849.0	$	39,152.3		$	38,163.3	$	1,333.0		$	106.0	$	150,262.1		$	145,118.3
Average Loans	$	5,749.3		$	6,909.5	$	35,327.2		$	34,677.4	$	—		$	—	$	41,076.5		$	41,586.9
Average Deposits	$	89,296.5		$	86,688.6	$	25,289.6		$	25,568.0	$	1,333.0		$	106.0	$	115,919.1		$	112,362.6

(1) Financial measures stated on an FTE basis.

(2) Other Segment Items include Occupancy, Equipment & Software and Other Operating Expense.