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FINANCIAL INSTRUMENTS | 12 Months Ended
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Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
FINANCIAL INSTRUMENTS | FINANCIAL INSTRUMENTS Interest Rate Derivatives – Cash Flow Hedges From time to time, the Company has entered into various interest rate lock agreements and forward starting interest rate swap agreements to hedge part of the Company's interest rate exposure associated with the variability in future cash flows attributable to changes in interest rates. In May 2016, the Company entered into interest rate lock agreements with several financial institutions for a total notional amount of $250 million which were accounted for as cash flow hedges. These agreements were entered into to hedge a portion of the Company’s interest rate exposure associated with variability in future cash flows attributable to changes in the ten-year treasury rates related to the planned issuance of the 2016 Senior Notes. In connection with the issuance of the 2016 Senior Notes, these agreements were settled, and the Company paid $1 million. These losses are deferred in stockholders’ equity, net of taxes, as a component of accumulated other comprehensive loss, and amortized as an adjustment to interest expense, net over the term of the respective senior notes. In March 2015, the Company entered into interest rate lock agreements with several financial institutions for a total notional amount of $350 million which were accounted for as cash flow hedges. These agreements were entered into to hedge a portion of the Company’s interest rate exposure associated with variability in future cash flows attributable to changes in the five-year, ten-year and thirty-year treasury rates related to the planned issuance of the 2015 Senior Notes. In connection with the issuance of the 2015 Senior Notes, these agreements were settled and the Company received $3 million. These gains are deferred in stockholders’ equity, net of taxes, as a component of accumulated other comprehensive loss, and amortized as an adjustment to interest expense, net over the term of the respective senior notes. During the fourth quarter of 2013 and first quarter of 2014, the Company entered into various forward starting interest rate swap agreements for an aggregate notional amount of $150 million which were accounted for as cash flow hedges. In connection with the issuance of the 2015 Senior Notes, all of these agreements were settled and the Company paid $17 million. These losses are deferred in stockholders’ equity, net of taxes, as a component of accumulated other comprehensive loss, and amortized as an adjustment to interest expense, net over the term of the senior notes due 2025. The total net loss, net of taxes, recognized in accumulated other comprehensive loss, related to the Company's cash flow hedges as of December 31, 2017 and 2016 was $9 million and $10 million, respectively. The net amount of deferred losses on cash flow hedges that is expected to be reclassified from accumulated other comprehensive loss into interest expense, net within the next twelve months is $3 million. Interest Rate Derivatives – Fair Value Hedges The Company maintains various fixed-to-variable interest rate swaps to convert a portion of the Company's long-term debt into variable interest rate debt. A summary of the notional amounts of these interest rate swaps as of December 31, 2017 and 2016 was as follows:
|  | Notional Amount
Debt Instrument |  | 2017 |  | 2016
4.25% Senior Notes due April 2024 |  | 250 |  |  | 250 |
3.50% Senior Notes due March 2025 |  | 600 |  |  | 600 |
3.45% Senior Notes due June 2026 |  | 350 |  |  | 350 |
|  | $ | 1,200 |  |  | $ | 1,200 |
The fixed-to-variable interest rate swap agreements in the table above have variable interest rates ranging from one-month LIBOR plus 2.2% to one-month LIBOR plus 3.0%. As of December 31, 2015, the Company had entered into various fixed-to-variable interest rate swap agreements with an aggregate notional amount of $1.2 billion. In July 2016, the Company terminated those interest rate swaps agreements. As a result of the termination, the Company received proceeds of $60 million, which included $6 million of accrued interest. The remaining basis adjustment on the respective debt obligation of $54 million will be amortized as a reduction of interest expense over the remaining terms of the hedged debt instrument. Immediately after the termination of these interest rate swaps, the Company entered into new fixed-to-variable interest rate swap agreements, which are reflected in the table above. In prior years, the Company entered into various fixed-to-variable interest rate swap agreements that were accounted for as fair value hedges of a portion of the senior notes due 2016 and a portion of the senior notes due 2020. In July 2012, the Company monetized the value of these interest rate swap assets by terminating the hedging instruments. The asset value, including accrued interest through the date of termination, was $72 million and the amount to be amortized as a reduction of interest expense over the remaining terms of the hedged debt instruments was $65 million. As of December 31, 2017, the following amounts were recorded on the consolidated balance sheet related to cumulative basis adjustments for fair value hedges:
Balance Sheet Classification |  | Carrying Amount of Hedged Long-Term Debt | Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Long-Term Debt |
| December 31, 2017 |  | December 31, 2017 |
Long-term debt |  | $ | 1,132 |  |  | $ | (33 | ) | (a)
(a) The balance includes $56 million of remaining unamortized hedging adjustment on a discontinued relationship. The following table presents the effect of fair value hedge accounting on the consolidated statement of operations for the year ended December 31, 2017:
|  | Other income (expense), net
Total for line item in which the effects of fair value hedges are recorded |  | $ | 16 |
Gain (loss) on fair value hedging relationships: |  |
Hedged items (Long-term debt) |  | $ | 1 |
Derivatives designated as hedging instruments |  | $ | (1 | )
Interest Rate Derivatives - Economic Hedges In March 2016, in connection with the retirement of debt (see Note 13), the Company entered into reverse interest rate lock agreements with several financial institutions which were not designated for hedge accounting. The Company entered into these agreements to hedge the variability in cash flows associated with $75 million of the $200 million principal amount of debt that was retired in the first quarter of 2016. These agreements were settled during the first quarter of 2016 resulting in a gain of $1 million which was recognized in other income (expense), net. In March 2015, in connection with the retirement of debt (see Note 13), the Company entered into reverse interest rate lock agreements with several financial institutions which were not designated for hedge accounting. The Company entered into these agreements to hedge the variability in cash flows associated with $280 million of the $1.3 billion principal amount of debt that was retired in the first and second quarters of 2015. These agreements were settled during the first and second quarters of 2015 which resulted in a gain of $3 million which was recognized in other income (expense), net. A summary of the fair values of derivative instruments in the consolidated balance sheets was as follows:
| December 31, 2017 |  | December 31, 2016
| Balance Sheet Classification |  | Fair Value |  | Balance Sheet Classification |  | Fair Value
Derivatives Designated as Hedging Instruments |  |  |  |  |  |  |  |  |
Interest rate swaps | Other liabilities |  | $ | 89 |  |  | Other liabilities |  | $ | 88 |

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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