Derivative Instruments and Other Financial Instruments Used For Hedging (Tables)

9 Months Ended

Sep. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Notional Amounts, Balance Sheet Location and Fair Value Amounts of Derivative Instruments

The table below presents the notional amounts and fair value amounts of the Company's derivative instruments reported on the consolidated balance sheets, segregated between derivative instruments designated and qualifying as hedging instruments and derivative instruments not designated as hedging instruments as of September 30, 2017 and December 31, 2016, respectively. Asset and liability values are presented gross, excluding the impact of legally enforceable master netting and credit support annex agreements. The fair value of asset and liability derivatives designated and qualifying as hedging instruments and derivatives designated as other risk management are included in other assets and other liabilities, respectively. The fair value of asset and liability trading derivatives are included in trading account assets and trading account liabilities, respectively.

	September 30, 2017						December 31, 2016
			Fair Value						Fair Value
	Notional		Asset		Liability		Notional		Asset		Liability
(Dollars in millions)	Amount		Derivatives		Derivatives		Amount		Derivatives		Derivatives
Cash flow hedges
Interest rate contracts	$	10,600	$	2	$	164	$	15,459	$	19	$	199
Fair value hedges
Interest rate contracts	500		—		—		500		3		—
Not designated as hedging instruments:
Trading
Interest rate contracts	154,986		899		628		149,229		1,074		988
Commodity contracts	1,672		74		53		2,825		145		112
Foreign exchange contracts	6,663		241		139		5,981		217		131
Equity contracts	1,547		162		161		2,385		165		164
Other contracts	79		—		—		4		—		—
Total Trading	164,947		1,376		981		160,424		1,601		1,395
Other risk management	1,039		1		23		1,045		3		90
Total derivative instruments	$	177,086	$	1,379	$	1,168	$	177,428	$	1,626	$	1,684

Amount and Location of Gains and Losses for Derivatives Designated as Cash Flow Hedges

The following tables present the amount and location of the net gains and losses recorded in the Company’s consolidated statements of income and changes in stockholder’s equity for derivatives designated as cash flow hedges for the three and nine months ended September 30, 2017 and 2016:

	Amount of Gain or (Loss) Recognized in OCI on Derivative Instruments (Effective Portion)						Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)					(Gain) Loss Recognized in Income on Derivative Instruments (Ineffective Portion)
	For the Three Months Ended September 30,						For the Three Months Ended September 30,					For the Three Months Ended September 30,
(Dollars in millions)	2017		2016			Location	2017		2016		Location	2017		2016
Derivatives in cash flow hedging relationships
						Interest income	$	11	$	43
Interest rate contracts	$	6	$	(60	)	Interest expense	—		—		Noninterest expense	$	—	$	—
Total	$	6	$	(60	)		$	11	$	43		$	—	$	—

	Amount of Gain or (Loss) Recognized in OCI on Derivative Instruments (Effective Portion)					Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)					Gain (Loss) Recognized in Income on Derivative Instruments (Ineffective Portion)
	For the Nine Months Ended September 30,					For the Nine Months Ended September 30,					For the Nine Months Ended September 30,
(Dollars in millions)	2017		2016		Location	2017		2016		Location	2017		2016
Derivatives in cash flow hedging relationships
					Interest income	$	60	$	127
Interest rate contracts	$	42	$	341	Interest expense	—		—		Noninterest expense	$	3	$	1
Total	$	42	$	341		$	60	$	127		$	3	$	1

Schedule of derivative gains (losses) on the Company's fair value hedges

The following table presents the gains (losses) on the Company's fair value hedges and hedged item for the three and nine months ended September 30, 2017 and 2016, respectively:

	For the Three Months Ended September 30, 2017							For the Nine Months Ended September 30, 2017
(Dollars in millions)	Derivative			Hedged Item		Hedge Ineffectiveness		Derivative			Hedged Item		Hedge Ineffectiveness
Interest rate risk on long-term debt	$	(1	)	$	1	$	—	$	(2	)	$	1	$	(1	)
Total	$	(1	)	$	1	$	—	$	(2	)	$	1	$	(1	)

	For the Three Months Ended September 30, 2016							For the Nine Months Ended September 30, 2016
(Dollars in millions)	Derivative			Hedged Item		Hedge Ineffectiveness		Derivative		Hedged Item			Hedge Ineffectiveness
Interest rate risk on long-term debt	$	(4	)	$	4	$	—	$	5	$	(5	)	$	—
Total	$	(4	)	$	4	$	—	$	5	$	(5	)	$	—

Gain or (Loss) Recognized in Income on Derivative Instruments

The following table presents the amount of the net gains and losses for derivative instruments classified as trading reported in the consolidated statements of income under the heading trading account activities for the three and nine months ended September 30, 2017 and 2016:

	Gain or (Loss) Recognized in Income on Derivative Instruments					Gain or (Loss) Recognized in Income on Derivative Instruments
	For the Three Months Ended					For the Nine Months Ended
(Dollars in millions)	September 30, 2017			September 30, 2016		September 30, 2017			September 30, 2016
Trading derivatives:
Interest rate contracts	$	(11	)	$	12	$	(69	)	$	(6	)
Equity contracts	—			31		—			40
Foreign exchange contracts	11			11		32			29
Commodity contracts	—			1		1			2
Total	$	—		$	55	$	(36	)	$	65