Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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BORROWINGS Part 2 (Details) Credit Facility and Commercial Paper Borrowings - USD ($) $ in Millions	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Credit Facilities [Abstract]
Borrowings due within one year	$ 370				$ 370		$ 171
Line of Credit Facility, Maximum Month-end Outstanding Amount							0
Early debt extinguishment costs	1			$ 0	$ 1	$ 0
Revolving Credit Facility [Member]
Credit Facilities [Abstract]
Line of Credit Facility, Maximum Month-end Outstanding Amount			$ 400
Repayments of Lines of Credit		$ 400
Line of Credit Facility, Expiration Date					Oct. 31, 2023
Line of Credit Facility, Maximum Borrowing Capacity	1,500				$ 1,500
Commercial Paper [Member]
Credit Facilities [Abstract]
Commercial Paper	$ 185				$ 185		$ 170
Debt, Weighted Average Interest Rate	0.35%				0.35%		2.03%
A/R Facility [Member]
Credit Facilities [Abstract]
Credit Facility, Borrowing Capacity	$ 250				$ 250
Proceeds from Lines of Credit					350
Repayments of Lines of Credit					$ 350
Line of Credit Facility, Expiration Date					Apr. 30, 2020
364-Day Term Loan [Member]
Credit Facilities [Abstract]
Borrowings due within one year	250				$ 250
Early debt extinguishment costs	$ 1