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MRBs - Summary of Balances of Changes in Net MRB (Assets) Liabilities (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | $ (2,178) |
Balance as of end-of-period | (3,479) |
Variable Annuities |  |
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | (2,180) | $ (662)
Balance as of beginning-of-period, before the effect of changes in non-performance risk | (881) | 1,511
Issuances | 5 | 3
Attributed fees collected | 760 | 755
Benefit payments | (21) | (35)
Effect of changes in interest rates | (1,470) | 215
Effect of changes in equity markets | (1,469) | (2,205)
Effect of changes in equity index volatility | (63) | (372)
In-force updates and other changes in MRBs | 153 | 120
Balance as of end-of-year, before the effect of changes in non-performance risk | (2,986) | (8)
Effect of cumulative changes in non-performance risk | (482) | (2,288)
Balance as of end-of-period | (3,468) | (2,296)
Less: ceded MRB assets (liabilities) | (342) | (291)
Balance as of end-of-period, net of reinsurance | $ (3,126) | $ (2,005)
Weighted-average age of policyholders (years) | 72 years | 72 years
Net amount at risk | $ 2,135 | $ 4,783
Variable Annuities | Cumulative Effect, Period of Adoption, Adjustment |  |
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | (1,299) | (2,173)
Fixed Annuities |  |
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | 32 | (45)
Balance as of beginning-of-period, before the effect of changes in non-performance risk | 90 | (5)
Issuances | 0 | 0
Attributed fees collected | 16 | 17
Benefit payments | 0 | 0
Effect of changes in interest rates | (27) | 3
Effect of changes in equity markets | (15) | (6)
Effect of changes in equity index volatility | (4) | 2
In-force updates and other changes in MRBs | 2 | 2
Balance as of end-of-year, before the effect of changes in non-performance risk | 62 | 13
Effect of cumulative changes in non-performance risk | (38) | (47)
Balance as of end-of-period | 24 | (34)
Less: ceded MRB assets (liabilities) | 0 | 0
Balance as of end-of-period, net of reinsurance | $ 24 | $ (34)
Weighted-average age of policyholders (years) | 69 years | 68 years
Net amount at risk | $ 221 | $ 213
Fixed Annuities | Cumulative Effect, Period of Adoption, Adjustment |  |
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | (58) | (40)
Retirement Plan Services |  |
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | (30) | (22)
Balance as of beginning-of-period, before the effect of changes in non-performance risk | (26) | (20)
Issuances | 0 | 0
Attributed fees collected | 3 | 3
Benefit payments | 0 | 0
Effect of changes in interest rates | (8) | 10
Effect of changes in equity markets | (5) | (9)
Effect of changes in equity index volatility | 0 | (3)
In-force updates and other changes in MRBs | 1 | 0
Balance as of end-of-year, before the effect of changes in non-performance risk | (35) | (19)
Effect of cumulative changes in non-performance risk | 0 | (9)
Balance as of end-of-period | (35) | (28)
Less: ceded MRB assets (liabilities) | 0 | 0
Balance as of end-of-period, net of reinsurance | $ (35) | $ (28)
Weighted-average age of policyholders (years) | 63 years | 63 years
Net amount at risk | $ 3 | $ 6
Retirement Plan Services | Cumulative Effect, Period of Adoption, Adjustment |  |
Market Risk Benefit [Roll Forward] |  |
Balance as of beginning-of-year | $ (4) | $ (2)

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in instrument-specific credit risk on contract or contract feature in long-duration contract issued by insurance entity protecting contract holder from other-than-nominal capital market risk and exposing insurance entity to other-than-nominal capital market risk. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29G -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29G Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13K -Subparagraph (k) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13K + Details
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- Definition Amount of guaranteed benefit in excess of current account balance 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 -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7B + Details
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