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DEBT Narrative (Details) - USD ($) $ in Millions	3 Months Ended
DEBT Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 2,100
Minimum Net Worth Required for Compliance	9,000
Debt and capital lease obligations	8,500
Debt fair value	10,200
Proceeds from issuance of debt	$ 1,500
Minimum [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital	0.60
Commercial Paper
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,000
Line of Credit Facility, Fair Value of Amount Outstanding	0
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	450
Proceeds from Lines of Credit	100
Revolving Credit Facility [Member] \| Committed Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	1,500
Line of Credit Facility, Fair Value of Amount Outstanding	0
Receivables Securitization Program [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	0
Receivables Securitization Program [Member] \| Uncommitted Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	550
364-Day Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	750
Debt with Interest Rate of 3.55%
Debt Instrument [Line Items]
Notes Reduction	$ 200
Debt with Interest Rate of 3.55% \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.55%
Debt With Interest Rates Ranging from 4.35% to 4.40%
Debt Instrument [Line Items]
Notes Reduction		$ 558
Debt With Interest Rates Ranging from 4.35% to 4.40% \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.35%
Debt With Interest Rates Ranging from 4.35% to 4.40% \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.40%
Debt With Interest Rates Ranging from 3.00% to 5.15%
Debt Instrument [Line Items]
Notes Reduction		$ 232
Debt With Interest Rates Ranging from 3.00% to 5.15% \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.00%
Debt With Interest Rates Ranging from 3.00% to 5.15% \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.15%
Debt With Interest Rates Ranging from 3.00% to 4.80%
Debt Instrument [Line Items]
Notes Reduction			$ 107
Debt With Interest Rates Ranging from 3.00% to 4.80% \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.00%
Debt With Interest Rates Ranging from 3.00% to 4.80% \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			4.80%
Unsecured Debt
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 450
Unsecured Debt \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Term Loan "B" Facility
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 450
Term Loan "F" Facility
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 520