CREDIT ARRANGEMENTS (Details) - Senior Unsecured Debt - Revolving Credit Facility - 2019 Credit Agreement	Jun. 28, 2019 USD ($) extension	Dec. 31, 2021 USD ($)
Line of Credit Facility [Line Items]
Value of senior unsecured revolving credit arrangement	$ 2,000,000,000
Term of senior unsecured revolving credit agreement	5 years
Sub-limit for swingline loans	$ 140,000,000
Sub-limit for letters of credit	350,000,000
Provision for maximum amount of commitments	1,000,000,000
Provision for maximum amount of credit extensions	$ 3,000,000,000
Unused commitment fee percentage	0.15%
Maximum allowable percentage of consolidated total indebtedness to total capital		0.65
Payment failures on other debt which can trigger an event of default	$ 200,000,000
Amount of unsatisfied final judgment or orders considered an event of default	200,000,000
Amount of certain ERISA liability incurrence considered an event of default	$ 200,000,000
Period to request extension of maturity date in event of default	45 days
Maturity date extension period in event of default	1 year
Number of extension periods per calendar year in event of default | extension	1
Number of extension periods in event of default | extension	2
Borrowings outstanding		$ 0
Maximum
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.30%
Minimum
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.125%
LIBOR
Line of Credit Facility [Line Items]
Rate divisor percentage	1.00%
Eurodollar
Line of Credit Facility [Line Items]
Interest rate margin	1.25%
Interest rate margin, base rate	1.00%
Interest rate margin, initial rate	0.375%
Eurodollar | Maximum
Line of Credit Facility [Line Items]
Interest rate margin	1.875%
Interest rate margin, initial rate	0.875%
Eurodollar | Minimum
Line of Credit Facility [Line Items]
Interest rate margin	1.125%
Interest rate margin, initial rate	0.125%
NYFRB
Line of Credit Facility [Line Items]
Interest rate margin, base rate	0.50%