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

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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



(Dollars in millions)	June 30, 2018		December 31, 2017
Trading Assets and Derivative Instruments:
U.S. Treasury securities		$203		$157
Federal agency securities	502		395
U.S. states and political subdivisions	27		61
MBS - agency	759		700
Corporate and other debt securities	872		655
CP	114		118
Equity securities	57		56
Derivative instruments ¹	567		802
Trading loans ²	1,949		2,149
Total trading assets and derivative instruments		$5,050		$5,093

Trading Liabilities and Derivative Instruments:
U.S. Treasury securities		$779		$577
MBS - agency	1		—
Corporate and other debt securities	534		289
Equity securities	14		9
Derivative instruments ¹	630		408
Total trading liabilities and derivative instruments		$1,958		$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)	June 30, 2018		December 31, 2017
Pledged trading assets to secure repurchase agreements ¹		$1,092		$1,016
Pledged trading assets to secure certain derivative agreements	65		72
Pledged trading assets to secure other arrangements	40		41

¹ Repurchase agreements secured by collateral totaled $1.1 billion and $975 million at June 30, 2018 and December 31, 2017, respectively.