FINANCIAL INSTRUMENTS (Temporarily Impaired Securities) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	$ 650	$ 179
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(30)	(6)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	167	19
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	(18)	(9)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	817	198
Available-for-sale Securities, Continuous Unrealized Position	(48)	(15)
Cost method investments, aggregate cost	209	215
Net unrealized gain recognized in equity securities	13	32
Government debt
Debt Securities, Available-for-sale [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	295	124
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(13)	(3)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	151	7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	(15)	(7)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	446	131
Available-for-sale Securities, Continuous Unrealized Position	(28)	(10)
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	355	55
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(17)	(3)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	16	12
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	(3)	(2)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	371	67
Available-for-sale Securities, Continuous Unrealized Position	$ (20)	$ (5)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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