COMMERCIAL MORTGAGE LOANS - Schedule of Allowance for Credit Losses on Funded and Unfunded Mortgages (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Allowance for Funded Commercial Mortgage Loan Credit Losses
Beginning balance	$ 222	$ 5
Cumulative effect adjustment	0	80
Charge offs	0	0
Recoveries	(7)	(3)
Provision	(112)	140
Ending balance	103	222
Allowance for Unfunded Commercial Mortgage Loan Commitments Credit Losses
Beginning balance	22	0
Cumulative effect adjustment	0	10
Charge offs	0	0
Recoveries	0	0
Provision	(17)	12
Ending balance	$ 5	$ 22

Cumulative effect adjustment.

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- Definition

Cumulative effect adjustment allowance for unfunded .

+ References

No definition available.

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- Definition

Off-Balance Sheet, Credit Loss, Liability, Recovery

+ References

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- Definition

Off-Balance Sheet, Credit Loss, Liability, Writeoffs

+ References

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

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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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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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