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FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Debt Instrument Fair Value Basis Adjustment Attributable to Hedged Debt | As of December 31, 2020 and 2019, the following amounts were recorded on the consolidated balance sheets related to cumulative basis adjustments for fair value hedges included in the carrying amount of long-term debt:
|  |  | Carrying Amount of Hedged Long-Term Debt |  | Hedge Accounting Basis Adjustment (a) |  | Carrying Amount of Hedged Long-Term Debt |  | Hedge Accounting Basis Adjustment (a)
Balance Sheet Classification |  | December 31, 2020 |  | December 31, 2020 |  | December 31, 2019 |  | December 31, 2019
Long-term debt |  | $ | — |  |  | $ | 51 |  |  | $ | 1,186 |  |  | $ | (3) |
(a) As of December 31, 2020, the entire balance is associated with remaining unamortized hedging adjustments on discounted relationships. As of December 31, 2019, the balance includes $25 million of remaining unamortized hedging adjustments on discontinued relationships.
Schedule of Fair Value Hedging Instruments and Hedged Item, Statement of Financial Performance, Location | The following table presents the effect of fair value hedge accounting on the consolidated statements of operations for the years ended December 31, 2020, 2019 and 2018, respectively:
|  |  | 2020 |  | 2019 |  | 2018
|  | Other income (expense), net |  | Other income (expense), net |  | Other income (expense), net
Total for line item in which the effects of fair value hedges are recorded |  | $ | 76 |  |  | $ | 20 |  |  | $ | (8) |
Gain (loss) on fair value hedging relationships: |  |  |  |  |  |
Hedged items (Long-term debt) |  | $ | (68) |  |  | $ | (65) |  |  | $ | 4 |
Derivatives designated as hedging instruments |  | $ | 68 |  |  | $ | 65 |  |  | $ | (4) |
Schedule of The Fair Values of Derivative Instruments | A summary of the fair values of derivative instruments in the consolidated balance sheet was as follows:
|  |  | December 31, 2019
|  |  |  |  | Balance Sheet Classification |  | Fair Value
Derivatives Designated as Hedging Instruments |  |  |  |  |  |  |
Fixed-to-variable interest rate swap agreements |  |  |  |  | Other liabilities |  | $ | 28 |

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- Definition Schedule of Debt Instrument Fair Value Basis Adjustment Attributable to Hedged Debt [Table Text Block] + References No definition available. + Details
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- Definition Schedule of Fair Value Hedging Instruments and Hedged Item, Statement of Financial Performance, Location [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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