FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Not Carried at Fair Value (Details) - Level 2 - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Carrying Value
Assets:
Short-term investment	$ 0	$ 34
Long-term receivables	152	170
Long-term investment	209	366
Liabilities:
Long-term debt and related current maturities	15,843	16,057
Fair Value
Assets:
Short-term investment	0	34
Long-term receivables	141	152
Long-term investment	209	366
Liabilities:
Long-term debt and related current maturities	$ 19,303	$ 17,022

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Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Fair value portion of notes payable.

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