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v3.22.2.2

Long Term Subordinated Notes (Narrative) (Details) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2022 Item | Dec. 31, 2020 USD ($) | Dec. 31, 2009 USD ($) | Nov. 14, 2022
Debt Instrument [Line Items] |  |  |  |  |
Redemption date |  | May 01, 2047 |  |  |
Subordinated Debt [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Percentage of principal amount required for redemption |  | 100.00% |  |  |
Outstanding debt reduction | $ 6 |  |  | $ 161 |
Gain on repurchase and retirement of debt | $ 1 |  | $ 13 |  |
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, stated interest rate | 6.60% | 6.60% |  |  |
Interest payment commencement date |  | Nov. 15, 2007 |  |  |
Basis spread on variable rate |  | 2.385% |  |  |
Right to defer interest, number of occasions | Item |  | 1 |  |  |
Debt instrument, maturity date |  | May 01, 2067 |  |  |
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] | Scenario Forecast [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, stated interest rate |  |  |  |  | 5.29%
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest payment date |  | May 3, 2007 |  |  |
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest payment date |  | May 14, 2017 |  |  |
Right to defer interest on one or more occasions for up to number of consecutive years |  | 10 years |  |  |
Senior Notes [Member] | 4.868% Senior Notes due 6/1/2044 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, stated interest rate | 4.868% | 4.868% |  |  |
Debt instrument, maturity date |  | Jun. 01, 2044 |  |  |
Senior Notes [Member] | 3.5% Senior Notes due 10/15/2050 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, stated interest rate | 3.50% | 3.50% |  |  |
Debt instrument, maturity date |  | Oct. 15, 2050 |  |  |
Senior Notes [Member] | Senior Notes 3.125 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, stated interest rate | 3.125% | 3.125% |  |  |
Debt instrument, maturity date |  | Oct. 15, 2052 |  |  |

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