SHAREHOLDERS' EQUITY, ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Related to marketable securities	$ (308)	$ (308)	$ (292)	$ (262)
Total	(308)	(308)		(262)
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	(18)	(51)
Related to marketable securities	(308)	(308)	(292)	(262)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	2	5
Marketable Securities
Equity [Abstract]
Related to marketable securities	(64)	(64)	(44)	(4)
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	(22)	(64)
Related to marketable securities	(64)	(64)	(44)	(4)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	2	4
AOCI Employee Benefit Plan
Equity [Abstract]
Related to marketable securities	(251)	(251)	(251)	(252)
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	0	0
Related to marketable securities	(251)	(251)	(251)	(252)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	1
AOCI - Interest Rate Derivatives
Equity [Abstract]
Related to marketable securities	7	7	3	(6)
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	4	13
Related to marketable securities	7	7	$ 3	$ (6)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 0	$ 0

Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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