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v3.23.2

Fair Value - Summary of Unobservable Inputs for the Embedded Derivatives of Interest Sensitive Contract Liabilities (Details) $ in Millions | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Available-for-sale securities | $ 128,559 | $ 112,225
Investment funds | 15,868 | 14,128
Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Available-for-sale securities | 13,800 | 10,671
Mortgage loans, net of allowances | 38,077 | 30,811
Level 3 | Discounted cash flow |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds | 502 | 506
Level 3 | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds |  | 873
Level 3 | Net tangible asset values |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds | 512 | 529
Level 3 | Reported net asset value |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds | $ 337 | $ 563
Nonperformance risk | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.004 | 0.001
Nonperformance risk | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.018 | 0.017
Nonperformance risk | Weighted average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.012 | 0.010
Option budget | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.005 | 0.005
Option budget | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.057 | 0.053
Option budget | Weighted average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.022 | 0.019
Surrender rate | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.054 | 0.051
Surrender rate | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.120 | 0.115
Surrender rate | Weighted average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Embedded derivative liability, measurement input | 0.081 | 0.081
Measurement Input, Discount Rate [Member] | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-sale, Measurement Input | 0.022 | 0.022
Mortgage loans, Measurement Input | 0.020 | 0.015
Investment funds, measurement input | 0.064 | 0.064
Measurement Input, Discount Rate [Member] | Minimum | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input |  | 0.165
Measurement Input, Discount Rate [Member] | Minimum | Measurement Input, Implied Multiple |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input | 1.20 | 1.26
Measurement Input, Discount Rate [Member] | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-sale, Measurement Input | 0.187 | 0.188
Mortgage loans, Measurement Input | 0.242 | 0.221
Investment funds, measurement input | 0.064 | 0.064
Measurement Input, Discount Rate [Member] | Maximum | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input |  | 0.165
Measurement Input, Discount Rate [Member] | Maximum | Measurement Input, Implied Multiple |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input | 1.20 | 1.26
Measurement Input, Discount Rate [Member] | Weighted average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-sale, Measurement Input | 0.069 | 0.068
Mortgage loans, Measurement Input | 0.065 | 0.063
Investment funds, measurement input | 0.064 | 0.064
Measurement Input, Discount Rate [Member] | Weighted average | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input |  | 0.165
Measurement Input, Discount Rate [Member] | Weighted average | Measurement Input, Implied Multiple |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input | 1.20 | 1.26
Measurement Input, P/E Ratio | Minimum | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input |  | 9
Measurement Input, P/E Ratio | Maximum | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input |  | 9
Measurement Input, P/E Ratio | Weighted average | Discounted cash flow/guideline public equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment funds, measurement input |  | 9
Embedded derivatives | Interest sensitive contract liabilities | Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Total liabilities measured at fair value | $ 8,198 | $ 5,841

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