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

12 Months Ended

Dec. 31, 2016

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 December 31, 2016 and December 31, 2015, 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.

	December 31, 2016						December 31, 2015
			Fair Value						Fair Value
(Dollars in millions)	Notional Amount		Asset Derivatives		Liability Derivatives		Notional Amount		Asset Derivatives		Liability Derivatives
Cash flow hedges
Interest rate contracts	$	15,459	$	19	$	199	$	15,791	$	70	$	16
Fair value hedges
Interest rate contracts	500		3		—		500		5		—
Not designated as hedging instruments:
Trading
Interest rate contracts	149,229		1,074		988		100,991		1,002		948
Commodity contracts	2,825		145		112		3,775		409		369
Foreign exchange contracts	5,981		217		131		5,541		117		93
Equity contracts	2,385		165		164		3,351		222		221
Other contracts	4		—		—		37		—		—
Total Trading	160,424		1,601		1,395		113,695		1,750		1,631
Other risk management	1,045		3		90		2,107		14		2
Total derivative instruments	$	177,428	$	1,626	$	1,684	$	132,093	$	1,839	$	1,649

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 stockholders' equity for derivatives designated as cash flow hedges for the years ended December 31, 2016, 2015 and 2014:

	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 Years Ended December 31,								For the Years Ended December 31,										For the Years Ended December 31,
(Dollars in millions)	2016			2015		2014		Location	2016			2015			2014			Location	2016		2015		2014
Derivatives in cash flow hedging relationships
								Interest income	$	170		$	168		$	114
Interest rate contracts	$	(26	)	$	185	$	130	Interest expense	(3		)	(4		)	(23		)	Noninterest expense	$	—	$	2	$	—
Total	$	(26	)	$	185	$	130		$	167		$	164		$	91			$	—	$	2	$	—

Schedule of Derivative Instruments Gain (Loss) on Fair Value Hedges

The following table presents the gains (losses) on the Company's fair value hedges and hedged item for the years ended December 31, 2016, 2015 and 2014:

		For the Year Ended December 31, 2016
(Dollars in millions)		Derivative			Hedged Item		Hedge Ineffectiveness
Interest rate risk on long-term debt		$	(2	)	$	2	$	—
	Total	$	(2	)	$	2	$	—

		For the Year Ended December 31, 2015
(Dollars in millions)		Derivative		Hedged Item			Hedge Ineffectiveness
Interest rate risk on long-term debt		$	2	$	(2	)	$	—
	Total	$	2	$	(2	)	$	—

		For the Year Ended December 31, 2014
(Dollars in millions)		Derivative		Hedged Item			Hedge Ineffectiveness
Interest rate risk on long-term debt		$	2	$	(1	)	$	1
	Total	$	2	$	(1	)	$	1

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 twelve months ended December 31, 2016, 2015 and 2014:

	Gain (Loss) Recognized in Income on Derivative Instruments
	For the Years Ended
(Dollars in millions)	December 31, 2016		December 31, 2015		December 31, 2014
Trading derivatives:
Interest rate contracts	$	137	$	13	$	28
Equity contracts	40		47		(5		)
Foreign exchange contracts	39		27		19
Commodity contracts	2		3		8
Other contracts	—		—		1
Total	$	218	$	90	$	51