v3.25.1

DAC, VOBA, AND DSI - PREDECESSOR COMPANY - Schedule of Deferred Policy Acquisition (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of period	$ 567
Amortization - Impact of assumption and experience unlocking and true-ups	(69)
Amortization - All other	(35)
Change due to unrealized investment gains and losses	6
Balance, end of period	$ 469

Amount of increase (decrease) to amortization expense of deferred policy acquisition cost (DAC) due to assumption change.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of other increase (decrease) to amortization expense of deferred policy acquisition cost (DAC).

+ References

No definition available.

+ Details

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- Definition

Amount of unrealized investment gain (loss) which decreases (increases) deferred policy acquisition cost.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
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- Definition

Amount of deferred policy acquisition cost capitalized on contract remaining in force.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480016/944-40-65-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479432/944-30-50-2B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479401/944-30-55-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-SubTopic 825
-Topic 944
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478219/944-825-45-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479432/944-30-50-2B

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

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FORTITUDE LIFE INSURANCE & ANNUITY CO 10-K