DERIVATIVE INSTRUMENTS AND RISK MANAGEMENT - Additional Information (Detail) - USD ($) |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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| Derivative [Line Items] | ||
| Commodity Asset | $ 0 | $ 0 |
| Derivative Instrument Recognition Period | 11 years | |
| Hedge margin liabilities | $ 495,000,000 | 325,000,000 |
| Aggregate fair value additional collateral | $ 0 | |
| Maximum term over hedging exposures to the variability of cash flow | 13 years | |
| Pre-tax gains related to cash flow hedges that are currently deferred in AOCI and are expected to be reclassified to income over the 12 month period ended December 31, 2012 | $ 162,000,000 | |
| Unfavorable Regulatory Action [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Additional Collateral, Obligation to Return Cash | 0 | $ 0 |
| Estimate of Fair Value Measurement [Member] | Designated as Hedging Instrument | Other Noncurrent Liabilities [Member] | ||
| Derivative [Line Items] | ||
| Derivative Liability, Fair Value, Gross Liability | $ 17,000,000 |
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- Definition Commodity Asset No definition available.
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- Definition Derivative, Additional Collateral, Obligation to Return Cash No definition available.
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- Definition Derivative Instrument Recognition Period No definition available.
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- Definition Maximum term over hedging exposures to the variability of cash flow No definition available.
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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