FAIR VALUE MEASUREMENTS - Cross-currency Swaps, Effect of Hedging Instruments on Financial Instruments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Net proceeds, settlement of cross-currency swaps	$ 27	$ 23
Cross-currency swaps \| Net Investment Hedging \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in Other comprehensive loss	77	(57)
Cross-currency swaps \| Net Investment Hedging \| Designated as Hedging Instrument \| Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain excluded from assessment of hedge effectiveness	20	$ 23
Cross-currency swaps, final settlement
Derivative Instruments, Gain (Loss) [Line Items]
Net proceeds, settlement of cross-currency swaps	$ 2

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Amount, before tax and adjustments, of gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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The cash outflow or inflow for a financial contract that meets the hedge criteria as either a cash flow hedge, fair value hedge, or hedge of a net investment in a foreign operation.

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