Pledged and Restricted Assets (Tables)

3 Months Ended

Mar. 31, 2021

Transfers and Servicing [Abstract]

Schedule of Financial Instruments Owned and Pledged as Collateral

The following table presents Northern Trust's pledged assets.

TABLE 52: TYPE OF PLEDGED ASSETS

(In Billions)	MARCH 31, 2021		DECEMBER 31, 2020
Securities
Obligations of States and Political Subdivisions	$	3.0	$	2.9
Government Sponsored Agency and Other Securities	30.6		32.5
Loans	12.3		12.1
Total Pledged Assets	$	45.9	$	47.5

The following table presents the available for sale debt securities pledged as collateral that are included in pledged assets.

TABLE 53: FAIR VALUE OF AVAILABLE FOR SALE DEBT SECURITIES INCLUDED IN PLEDGED ASSETS

	SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE				DERIVATIVE CONTRACTS
(In Millions)	MARCH 31, 2021		DECEMBER 31, 2020		MARCH 31, 2021		DECEMBER 31, 2020
Debt Securities
Available for Sale	$	93.0	$	33.0	$	29.3	$	27.1

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. There was no repledged or sold collateral at March 31, 2021 or December 31, 2020.

TABLE 54: ACCEPTED COLLATERAL

(In Millions)	MARCH 31, 2021		DECEMBER 31, 2020
Collateral that may be repledged or sold
Reverse repurchase agreements	$	309.3	$	1,179.8
Derivative contracts	8.4		0.9
Collateral that may not be repledged or sold
Reverse repurchase agreements	800.0		500.0