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SHORT-TERM AND LONG-TERM DEBT - Narrative (Details) $ in Millions	1 Months Ended			9 Months Ended
	Aug. 31, 2020 JPY (¥) numberOfPayments	Mar. 31, 2020 USD ($)	Feb. 29, 2020 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Oct. 31, 2017 USD ($)
Debt Instrument [Line Items]
Debt issuance costs and discounts, net of amortization				$ (25)		$ (21)
Borrowings under lines of credit				12	$ 22
Line of Credit [Member]
Debt Instrument [Line Items]
Outstanding lines of credit				0		$ 55
Revolving Credit Facility [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, option to increase maximum borrowing capacity				$ 1,875
Maximum availability of revolving credit facility			$ 1,250
Borrowings under lines of credit		$ 1,000
Senior Notes, 1.85% due 2025 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Debt principal amount			$ 500
Interest rate			1.85%
Basis points			0.10%
Redemption price, percentage upon change of control			101.00%
Redemption price			100.00%
Debt issuance costs and discounts, net of amortization			$ 5
5-Year Unsecured Revolving Line Of Credit [Member] | Domestic Line of Credit [Member]
Debt Instrument [Line Items]
Maximum availability of revolving credit facility							$ 750
Term Loan Agreement, 0.05% [Member] | Term Loans [Member]
Debt Instrument [Line Items]
Debt principal amount | ¥	¥ 9,000,000,000
Number of semi-annual principal payments | numberOfPayments	4
Average interest rate	0.05%

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

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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