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DERIVATIVE AND NON-DERIVATIVE FINANCIAL INSTRUMENTS Part 1 (Details) - Designated as Hedging Instrument [Member] € in Millions, MMBTU in Millions, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021 USD ($) MMBTU	Mar. 31, 2021 EUR (€)	Dec. 31, 2020 USD ($) MMBTU	Dec. 31, 2020 EUR (€)	Mar. 31, 2021 EUR (€) MMBTU	Dec. 31, 2020 EUR (€) MMBTU	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)
Foreign Exchange Contract [Member] | Euro Member Countries, Euro | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount | €					€ 483	€ 521
Energy Related Derivative [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | MMBTU	9		17		9	17
Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 75		$ 75
Interest Rate Contract [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount	75		75
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	$ 1,500	€ 1,245
Expected Debt Issuance Aug 2020 [Member] | Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative, Notional Amount							$ 25	$ 25	$ 25
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 | €					€ 853	€ 853
4.5% Notes Due Dec 2028 [Member] | Cross Currency Interest Rate Contract [Member] | Euro Member Countries, Euro | Net Investment Hedging [Member]
Derivative [Line Items]
Debt Instrument, Face 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]
Debt Instrument, Face Amount							$ 180

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