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COVID-19 PANDEMIC NARRATIVE (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended | 21 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2021
Concentration Risk [Line Items] |  |  |  |
Restructuring Charges | $ 0 | $ 0 | $ (10) |
Special Items - Impairment charges and other | 392 | $ 496 | (1) |
Line of credit facility, borrowing capacity | $ 626 |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 1,455,437 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 39.06 |  |  |
Adjustments to Additional Paid in Capital, Warrant Issued |  |  | $ 16 |
US Treasury CARES Act Loan |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Adjustments to Additional Paid in Capital, Warrant Issued |  |  |  | $ 30

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- Definition Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 25 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481284/470-20-25-2 + Details
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