Trading Assets and Liabilities and Derivatives Trading Assets and Liabilities and Derivatives (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]

The fair values of the components of trading assets and liabilities and derivative instruments are presented in the following table:



(Dollars in millions)	September 30, 2018		December 31, 2017
Trading Assets and Derivative Instruments:
U.S. Treasury securities		$247		$157
Federal agency securities	507		395
U.S. states and political subdivisions	91		61
MBS - agency	743		700
Corporate and other debt securities	820		655
CP	408		118
Equity securities	67		56
Derivative instruments ¹	622		802
Trading loans ²	2,171		2,149
Total trading assets and derivative instruments		$5,676		$5,093

Trading Liabilities and Derivative Instruments:
U.S. Treasury securities		$742		$577
Corporate and other debt securities	411		289
Equity securities	12		9
Derivative instruments ¹	698		408
Total trading liabilities and derivative instruments		$1,863		$1,283

¹Amounts include the impact of offsetting cash collateral received from and paid to the same derivative counterparties, and the impact of netting derivative assets and derivative liabilities when a legally enforceable master netting agreement or similar agreement exists.

² Includes loans related to TRS.

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

Pledged trading assets are presented in the following table:



(Dollars in millions)	September 30, 2018		December 31, 2017
Pledged trading assets to secure repurchase agreements ¹		$1,284		$1,016
Pledged trading assets to secure certain derivative agreements	76		72
Pledged trading assets to secure other arrangements	40		41

¹ Repurchase agreements secured by collateral totaled $1.2 billion and $975 million at September 30, 2018 and December 31, 2017, respectively.