LEASES - Summary of the Components of Income from Leveraged Leases (Details) - Domestic and international leveraged leases - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Leveraged Lease [Line Items]
Pretax leveraged lease income (loss)	$ 17	$ (180)
Income tax benefit (expense)	(5)	98
Net leveraged lease income (loss)	$ 12	$ (82)

Leveraged Lease Line Items.

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- Definition

Pretax lease income allocated in proportionate amounts from unearned income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 50
-Section 45
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-URI https://asc.fasb.org/extlink&oid=123416469&loc=SL77920237-209979

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- Definition

The tax effect from the current year income from arrangements meeting the criteria for classification as a leveraged lease.

+ References

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- Definition

The total recognized during the period for income on leases meeting the criteria for classification as leveraged leases.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Subparagraph (b)
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-URI https://asc.fasb.org/extlink&oid=123416469&loc=SL77920237-209979

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