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DERIVATIVE AND NON-DERIVATIVE FINANCIAL INSTRUMENTS Part 1 (Details) - Designated as Hedging Instrument [Member] € in Millions, bbl in Millions, MMBTU in Millions, $ in Millions | 12 Months Ended |  |  |  |
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Dec. 31, 2018 USD ($) MMBTU bbl | Dec. 31, 2018 EUR (€) | Dec. 31, 2017 USD ($) MMBTU bbl | Dec. 31, 2017 EUR (€) | Dec. 31, 2018 EUR (€) MMBTU bbl | Oct. 31, 2018 USD ($) | Oct. 31, 2018 EUR (€) | Jan. 31, 2018 USD ($) | Jan. 31, 2018 EUR (€) | Dec. 31, 2017 EUR (€) MMBTU bbl
Foreign Exchange Contract [Member] | Euro Member Countries, Euro | Cash Flow Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | € 263 |  |  |  |  | € 525
Commodity Contract [Member] | Cash Flow Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Derivative, Nonmonetary Notional Amount | bbl | 5 |  | 7 |  | 5 |  |  |  |  | 7
Energy Related Derivative [Member] | Cash Flow Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Derivative, Nonmonetary Notional Amount | MMBTU | 40 |  | 23 |  | 40 |  |  |  |  | 23
Interest Rate Contract [Member] | Fair Value Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ | $ 75 |  | $ 75 |  |  |  |  |  |  |
Notes Due January 2021, Notes Due August 2022, Notes Due January 2024, Notes Due March 2025, and Notes Due February 2027 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | € 851 |  |  |  |  | € 0
Notes Due January 2021 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 180 | € 150 |
Notes Due August 2022 [Member] [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 320 | € 266 |
Notes Due January 2024 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 190 | € 165 |  |  |
3.8% notes due March 2025 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | 120 | 104 |  |  |
Notes Due February 2027 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 190 | € 165 |  |  |
1.50% Notes Due 2023 and 1.875% Notes Due 2026 [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member] |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |
Notional Amount of Nonderivative Instruments | $ 1,400 | € 1,241 | $ 1,500 | € 1,240 |  |  |  |  |  |

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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