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FINANCING ARRANGEMENTS - ADDITIONAL INFORMATION (Details)						8 Months Ended	12 Months Ended
	Jun. 11, 2020 JPY (¥)	May 26, 2020 USD ($)	May 12, 2020 EUR (€)	May 05, 2020 EUR (€)	Apr. 09, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 11, 2019 USD ($)
Debt Instrument [Line Items]
Average amount of short-term debt outstanding during the year							$ 95,000,000	$ 50,000,000
Notes payable and current portion of long-term debt						$ 299,000,000	299,000,000	2,000,000
Total unused lines of credit						1,173,000,000	1,173,000,000
Cash Flow Hedges | Treasury Lock
Debt Instrument [Line Items]
Debt instrument, term		10 years
Notional amount									$ 150,000,000
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity	¥ 3,300,000,000		€ 30,000,000	€ 40,000,000	$ 310,000,000
Notes payable and current portion of long-term debt						0	0
Debt instrument, term	364 days		364 days	364 days	364 days
Line of Credit | 2018 Revolving Credit Facility
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity						$ 700,000,000	700,000,000
Repayments of long-term lines of credit		$ 700,000,000
Line of Credit | 2018 Revolving Credit Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.25%
Line of Credit | Corporate commercial paper facility
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity						$ 500,000,000	500,000,000
Average amount of short-term debt outstanding during the year							2,000,000
Notes payable and current portion of long-term debt						0	0	$ 0
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Notes payable and current portion of long-term debt						$ 0	$ 0
Debt instrument, term							5 years
Senior Unsecured Notes Maturing June 1, 2030 | Cash Flow Hedges | Treasury Lock
Debt Instrument [Line Items]
Cash paid on derivative contracts		31,000,000
Notional amount		150,000,000
Senior Unsecured Notes Maturing June 1, 2030 | Senior Notes
Debt Instrument [Line Items]
Debt instrument face amount		$ 750,000,000
Debt instrument,interest rate, stated percentage		3.25%
Proceeds from issuance of unsecured debt		$ 748,000,000
Debt instrument, unamortized discount		2,000,000
Debt issuance costs, gross		$ 6,000,000

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