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Reserve for Future Policy Benefits (Details) - Annuitization Benefit - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Liability
Beginning balance	$ 635	$ 642
Incurred	85	86
Paid	(85)	(102)
Change in unrealized investment gains and losses	3	9
Ending balance	638	635
Reinsurance Recoverable Asset
Beginning balance	31	27
Incurred	(2)	4
Paid	(1)	0
Ending balance	$ 28	$ 31

X

- Definition

Liabilities for Guarantees on Long-Duration Contracts, Reinsurance Recoverable, Incurred Benefits, Net

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Amount of expected guaranteed benefits in excess of the projected account balances for minimum guaranteed benefit contracts, as of the balance sheet date.

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Amount of guaranteed minimum benefit expense incurred for expected guaranteed minimum benefits in excess of projected account values.

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Net amount of other increases or decreases to the liability for guaranteed minimum benefits on long-duration contracts occurring during the period.

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Amount of cash outflow to policyholders and contract holders for guaranteed minimum benefit payments.

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Amount of guaranteed minimum benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date.

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