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Derivative Instruments and Hedging Activities
12 Months Ended
Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES
NOTE 8—DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES
The Company enters into derivative transactions primarily to protect against interest rate risk on the value of certain assets. Each derivative instrument is recorded on the consolidated balance sheet at fair value as a freestanding asset or liability. The following table summarizes the fair value of derivatives as reported in the consolidated balance sheet at December 31, 2017 and 2016 (dollars in millions): 
 
 
 
Fair Value(1)
 
Notional
 
Asset(2)
 
Liability(3)
 
Net(4)
December 31, 2017
 
 
 
 
 
 
 
Interest rate contracts:
 
 
 
 
 
 
 
Fair value hedges
$
8,609

 
$
131

 
$
(14
)
 
$
117

Total derivatives designated as hedging instruments(5)
$
8,609

 
$
131

 
$
(14
)
 
$
117

December 31, 2016
 
 
 
 
 
 
 
Interest rate contracts:
 
 
 
 
 
 
 
Fair value hedges
$
3,862

 
$
165

 
$
(31
)
 
$
134

Total derivatives designated as hedging instruments(5)
$
3,862

 
$
165

 
$
(31
)
 
$
134

 
(1)
At December 31, 2017, excludes derivative assets and liabilities of $6 million and $18 million, respectively, that were executed through a central clearing organization and were settled by variation margin payments. See Note 5—Offsetting Assets and Liabilities for additional information.
(2)
Reflected in the other assets line item on the consolidated balance sheet.
(3)
Reflected in the other liabilities line item on the consolidated balance sheet.
(4)
Represents net fair value of derivative instruments for disclosure purposes only.
(5)
All derivatives were designated as hedging instruments at December 31, 2017 and 2016.
Cash Flow Hedges    
The Company terminated $4.4 billion of legacy wholesale funding obligations during 2015 along with the cash flow hedges used to hedge the forecasted transactions related to these obligations. As the Company's intent changed and the hedged forecasted transactions became probable of not occurring, the Company reclassified $370 million of pre-tax losses on cash flow hedges from accumulated other comprehensive loss into earnings during the year ended December 31, 2015. See Note 13—Other Borrowings for additional information.
Fair Value Hedges
Fair value hedges are used to offset exposure to changes in value of certain fixed-rate assets. Fair value hedges are accounted for by recording the fair value of the derivative instrument and the fair value of the asset being hedged on the consolidated balance sheet. To the extent that the hedge is ineffective, the changes in the fair values of both the derivative instruments and the underlying assets will not offset, and the difference or hedge ineffectiveness, is reflected in the gains (losses) on securities and other, net line item in the consolidated statement of income.
The following table summarizes the effect of interest rate contracts designated as fair value hedges and related hedged items on the consolidated statement of income for the year ended December 31, 2017 and 2016 (dollars in millions): 
 
Year Ended December 31,
 
2017
 
2016
 
Hedging
Instrument
 
Hedged
Item
 
Hedge
Ineffectiveness(1)
 
Hedging
Instrument
 
Hedged
Item
 
Hedge
Ineffectiveness(1)
Agency debentures
$
1

 
$
(3
)
 
$
(2
)
 
$
28

 
$
(32
)
 
$
(4
)
Agency mortgage-backed securities
36

 
(48
)
 
(12
)
 
42

 
(44
)
 
(2
)
Total gains (losses) included in earnings
$
37

 
$
(51
)
 
$
(14
)
 
$
70

 
$
(76
)
 
$
(6
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Year Ended December 31,
 
 
 
 
 
 
 
2015
 
 
 
 
 
 
 
Hedging
Instrument
 
Hedged
Item
 
Hedge
Ineffectiveness(1)
 
 
 
 
 
 
Agency debentures
$
(3
)
 
$
3

 
$

 
 
 
 
 
 
Agency mortgage-backed securities
(4
)
 
3

 
(1
)
 
 
 
 
 
 
Total gains (losses) included in earnings
$
(7
)
 
$
6

 
$
(1
)
 
 
 
 
 
 
(1)
Reflected in the gains (losses) on securities and other, net line item on the consolidated statement of income.
Credit Risk
Impact on Fair Value Measurements
Credit risk is an element of the recurring fair value measurements for certain assets and liabilities, including derivative instruments. Credit risk is managed by limiting activity to approved counterparties and setting aggregate exposure limits for each approved counterparty. The Company also monitors collateral requirements on derivative instruments through credit support agreements, which reduce risk by permitting the netting of transactions with the same counterparty upon occurrence of certain events.
The Company considered the impact of credit risk on the fair value measurement for derivative instruments, particularly those in net liability positions to counterparties, to be mitigated by the enforcement of credit support agreements, and the collateral requirements therein. The Company’s credit risk analysis for derivative instruments also considered the credit loss exposure on derivative instruments in net asset positions. During the year ended December 31, 2017, the consideration of counterparty credit risk did not result in an adjustment to the valuation of the Company’s derivative instruments.
Impact on Liquidity
In the normal course of business, collateral requirements contained in the Company’s derivative contracts are enforced by the Company and its counterparties. Upon enforcement of the collateral requirements, the amount of collateral requested is typically based on the net fair value of all derivative instruments with the counterparty; that is derivative assets net of derivative liabilities at the counterparty level. If the Company were to be in violation of certain provisions of the derivative contracts, the counterparties to the derivative instruments could request payment or collateralization on the derivative instruments. The Company expects such requests would be based on the fair value of derivative assets net of derivative liabilities at the counterparty level. The fair value of derivative instruments in net liability positions at the counterparty level was $5 million at December 31, 2017. The fair value of the Company’s agency-backed securities pledged as collateral related to derivative contracts in net liability positions to counterparties, was $23 million at December 31, 2017, which exceeded derivative instruments in net liability positions at the counterparty level by $18 million.