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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	3 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) MMBTU bbl	Dec. 31, 2020 EUR (€)	Dec. 31, 2019 USD ($) bbl MMBTU	Dec. 31, 2019 EUR (€)	Dec. 31, 2020 EUR (€) MMBTU bbl	Sep. 30, 2020 EUR (€)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 EUR (€) bbl MMBTU
Foreign Exchange Contract [Member] | Euro Member Countries, Euro | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount | €						€ 521				€ 630
Commodity Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | bbl		0		1		0				1
Energy Related Derivative [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | MMBTU		17		27		17				27
Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount		$ 75
Interest Rate Contract [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount		75		$ 75
Cross Currency Swaps[Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount | €						€ 853				€ 851
Notes Due January 2021 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member]
Derivative [Line Items]
Principal amount | €							€ 150
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax	$ 3
Notes Due January 2021 [Member] | Cross Currency Interest Rate Contract [Member] | United States of America, Dollars | Net Investment Hedging [Member]
Derivative [Line Items]
Principal amount	180
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		$ 1,500	€ 1,245	$ 1,400	€ 1,243
4.5% Notes Due Dec 2028 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member]
Derivative [Line Items]
Principal amount | €							€ 152
4.5% Notes Due Dec 2028 [Member] | Cross Currency Interest Rate Contract [Member] | United States of America, Dollars | Net Investment Hedging [Member]
Derivative [Line Items]
Principal amount	180
Expected Debt Issuance Aug 2022 | Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 25							$ 25	$ 25

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