STOCK-BASED AWARDS - Restricted Stock Award Activity (Details) - $ / shares	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Shares
Nonvested balance at beginning of period (in shares)	43,183,277	0
Granted (in shares)	43,524,412
Cancelled/forfeited (in shares)	(341,135)
Nonvested balance at end of period (in shares)	43,183,277
RSUs
Weighted-Average Grant-Date Fair Value
Nonvested balance at beginning of period (in dollars per share)	$ 19.38	$ 0
Granted (in dollars per share)	19.41
Cancelled/forfeited (in dollars per share)	22.79
Nonvested balance at end of period (in dollars per share)	$ 19.38
Time-Based Shares
Shares
Nonvested balance at beginning of period (in shares)	27,158,866	0
Granted (in shares)	27,500,001
Cancelled/forfeited (in shares)	(341,135)
Nonvested balance at end of period (in shares)	27,158,866
Performance-Based Shares
Shares
Nonvested balance at beginning of period (in shares)	16,024,411	0
Granted (in shares)	16,024,411
Cancelled/forfeited (in shares)	0
Nonvested balance at end of period (in shares)	16,024,411

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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