| **FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Narrative) (Details)**                                                                                             | 12 Months Ended |               |              |               |               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|---------------|--------------|---------------|---------------|
||
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Maximum contract duration                                                                                                                                               | 2 years         |          |         |          |          |
| Maximum duration, interest rate contracts                                                                                                                               | 3 years         |          |         |          |          |
| Settlement of interest rate forward contracts | instrument                                                                                                              |            |          | 0            |          |          |
| Cash flow hedge gain (loss) to be reclassified within twelve months                                                                                                     | $ (11,000,000)  |          |         |          |          |
| Derivative Instruments Subject To Contractually Defined Counterparty Liability Position Limits                                                                          | 3,000,000       |          | $ 1,000,000  |          |          |
| Interest Rate Forward Contract [Member]                                                                                                                                 |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Derivative, notional amount                                                                                                                                             | $ 225,000,000   |          |         |          |          |
| Amortization period of settlement payment                                                                                                                               | 10 years        |          |         |          |          |
| Total Commodity Purchase Derivative Contracts [Member]                                                                                                                  |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Maximum duration, commodity contracts                                                                                                                                   | 2 years         |          |         |          |          |
| Derivative, notional amount                                                                                                                                             | $ 27,000,000    |          | 24,000,000   |          |          |
| Jet Fuel Swaps [Member]                                                                                                                                                 |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Derivative, notional amount                                                                                                                                             | 13,000,000      |          | 11,000,000   |          |          |
| Soybean Oil Futures [Member]                                                                                                                                            |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Derivative, notional amount                                                                                                                                             | 14,000,000      |          | 13,000,000   |          |          |
| Soybean Oil Futures [Member] | Commodity Contract [Member]                                                                                                              |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Cash margin balances amount                                                                                                                                             | 2,000,000       |          | 1,000,000    |          |          |
| Purchases of Inventory [Member] | Foreign Exchange Contract [Member]                                                                                                    |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Derivative, notional amount                                                                                                                                             | 70,000,000      |          | $ 61,000,000 |          |          |
| Other Assets [Member] | Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Trust Assets for nonqualified deferred compensation plans [Member] |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Increase in deferred compensation plan                                                                                                                                  | 4,000,000       |          |         |          |          |
| Senior Long-Term Notes And Debentures; 1.80%, $500 Due May 2030                                                                                                         |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Face value                                                                                                                                                              | 500,000,000     | $ 500,000,000 |         |          |          |
| Senior Long-Term Notes And Debentures; 3.10%, $400 Due October 2027 [Member]                                                                                            |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Face value                                                                                                                                                              | 400,000,000     |          |         |          | $ 400,000,000 |
| Senior Long-Term Notes And Debentures; 3.90%, $500 Due May 2028 [Member]                                                                                                |            |          |         |          |          |
| **Derivative [Line Items]**                                                                                                                                             |            |          |         |          |          |
| Face value                                                                                                                                                              | $ 500,000,000   |          |         | $ 500,000,000 |          |

| X                                                                                                                                                                                                                                                                                                     |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amortization period of settlement payment.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Derivative instruments subject to contractually defined counterparty liability position limits.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Increase (Decrease) Deferred Compensation Plan Assets
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Face (par) amount of debt instrument at time of issuance.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Nominal or face amount used to calculate payment on derivative.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of interest rate derivative instruments held by the entity at the reporting date.
+ References
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| X                                                                                                                                                                                        |
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| X                                                                                                                                                           |
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| X                                                                                                                                                                |
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