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DEBT - Schedule of Long-Term Debt Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020	Feb. 29, 2020	May 31, 2017	May 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Other	$ 14	$ 34
Other, fair value	14	34
Long-term debt, gross	2,395	2,421
Long-term debt, gross, fair value	2,868	2,983
Less: Current maturities	0	(8)
Less current maturities, fair value	0	(8)
Debt issuance costs and discounts, net of amortization	(23)	(24)
Debt issuance costs and discounts, fair value	(23)	(24)
Long-term debt (less current maturities)	2,372	2,389
Long-term debt, excluding current maturities, , fair value	2,845	2,951
Yen Denominated Bank Term Loan
Debt Instrument [Line Items]
Long-term debt, fair value	81	87
Long-term debt, gross	81	87
Senior Notes, 4.60% due 2045 [Member] | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt, fair value	1,298	1,343
Long-term debt, gross	$ 1,000	1,000
Interest rate	4.60%					4.60%
Senior Notes, 3.75% due 2046 [Member] | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt, fair value	$ 463	479
Long-term debt, gross	$ 400	400
Interest rate	3.75%				3.75%
Senior Notes, 4.20% due 2047 [Member] | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt, fair value	$ 497	514
Long-term debt, gross	$ 400	400
Interest rate	4.20%			4.20%
Unsecured Senior Notes, 1.85% | Senior notes [Member]
Debt Instrument [Line Items]
Long-term debt, fair value	$ 515	526
Long-term debt, gross	$ 500	$ 500
Debt issuance costs and discounts, net of amortization			$ 5
Interest rate	1.85%		1.85%

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Contractual interest rate for funds borrowed, under the debt agreement.

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