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Collateralized Transactions (Tables)
12 Months Ended
Dec. 31, 2019
Disclosure Collateralized Transactions [Abstract]  
Amounts Related To Collateralized Transactions

December 31, 2019

December 31, 2018

Permitted

Sold or

Permitted

Sold or

to Repledge

Repledged

to Repledge

Repledged

(in millions)

Securities lending transactions

$

31,994

$

3,944

$

21,412

$

3,284

Securities purchased under agreements to resell transactions 1

17,185

16,627

12,672

11,881

Customer margin assets

34,156

11,189

25,778

6,616

$

83,335

$

31,760

$

59,862

$

21,781

___________________________

(1)As of December 31, 2019, $14.0 billion or 84% (as of December 31, 2018, $11.4 billion or 96%) of securities acquired through agreements to resell that are shown as repledged have been deposited in a separate bank account for the exclusive benefit of customers in accordance with SEC Rule 15c3-3.

Financial Instruments Owned and Pledged as Collateral (table)

December 31,

2019

2018

(in millions)

Stocks

$

128

$

121

U.S. and foreign government securities

33

67

$

161

$

188