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v3.23.1

Transition - Summary Balance of Changes in Assets and Liability Position for Market Risk Benefit (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments | $ 218 | $ 165 | $ 428 |
Less: reinsured market risk benefits |  |  |  | $ 0
FIA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments | 217 | 164 | 426 | 478
Less: reinsured market risk benefits |  |  |  | 0
Fixed Rate Annuities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments | $ 1 | $ 1 | $ 2 | 1
Less: reinsured market risk benefits |  |  |  | 0
As Previously Reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 531
As Previously Reported | FIA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 531
As Previously Reported | Fixed Rate Annuities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 0
Adjustment for reversal of AOCI adjustments |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | (116)
Adjustment for reversal of AOCI adjustments | FIA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | (116)
Adjustment for reversal of AOCI adjustments | Fixed Rate Annuities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 0
Remaining cumulative difference (exclusive of the instrument specific credit risk change) between June 1, 2020 carrying amount and fair value measurement for the MRBs |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | (95)
Remaining cumulative difference (exclusive of the instrument specific credit risk change) between June 1, 2020 carrying amount and fair value measurement for the MRBs | FIA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | (96)
Remaining cumulative difference (exclusive of the instrument specific credit risk change) between June 1, 2020 carrying amount and fair value measurement for the MRBs | Fixed Rate Annuities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 1
Adjustments |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 159
Adjustments | FIA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 159
Adjustments | Fixed Rate Annuities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 0
As adjusted |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 479
Balance, end of period, net of reinsurance |  |  |  | 479
As adjusted | FIA |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 478
Balance, end of period, net of reinsurance |  |  |  | 478
As adjusted | Fixed Rate Annuities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Balance beginning/ending and adjustments |  |  |  | 1
Balance, end of period, net of reinsurance |  |  |  | $ 1

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- Definition Amount, before effect of reinsurance and after accumulated increase (decrease) in instrument-specific credit risk, of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 55 -Paragraph 29G -URI https://asc.fasb.org/extlink&oid=126561865&loc=SL117819547-158441 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 7B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124506351&loc=SL117782768-158439 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124509262&loc=SL117780254-158436 + Details
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