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Fair Value of Financial Instruments (Carrying and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Fixed maturity AFS securities | $ 99,736 | $ 118,746
Trading securities | 3,498 | 4,482
Equity securities | 427 | 318
Mortgage loans on real estate | 18,301 | 17,991
Derivative investments | 3,736 | 5,437
Other investments | $ 3,739 | $ 4,292
Other contract holder funds: |  |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Benefit Plans' Assets | $ 1,197 | $ 1,734
Carrying Value [Member] |  |
Assets |  |
Trading securities | 3,498 | 4,482
Equity securities | 427 | 318
Mortgage loans on real estate | 18,301 | 17,991
Derivative investments | 3,736 | 5,437
Other investments | 3,739 | 4,284
Cash and invested cash | 3,343 | 2,612
Reinsurance related embedded derivatives | 416 |
Other assets - GLB embedded derivatives | 1,697 | 1,963
Other assets - GLB ceded embedded derivatives | 29 | 56
Indexed annuity ceded embedded derivatives | 525 | 528
Reinsurance related embedded derivatives | 416 |
Separate account assets | 143,536 | 182,583
Other contract holder funds: |  |
Remaining guaranteed interest and similar contracts | (1,686) | (1,788)
Account values of certain investment contracts | (43,573) | (41,194)
Short-term debt | (500) | (300)
Long-term debt | (5,955) | (6,325)
Reinsurance related embedded derivatives |  | (206)
Fair Value [Member] |  |
Assets |  |
Trading securities | 3,498 | 4,482
Equity securities | 427 | 318
Mortgage loans on real estate | 16,553 | 18,700
Derivative investments | 3,736 | 5,437
Other investments | 3,739 | 4,284
Cash and invested cash | 3,343 | 2,612
Reinsurance related embedded derivatives | 416 |
Other assets - GLB embedded derivatives | 1,697 | 1,963
Other assets - GLB ceded embedded derivatives | 29 | 56
Indexed annuity ceded embedded derivatives | 525 | 528
Reinsurance related embedded derivatives | 416 |
Separate account assets | 143,536 | 182,583
Other contract holder funds: |  |
Remaining guaranteed interest and similar contracts | (1,686) | (1,788)
Account values of certain investment contracts | (34,268) | (47,862)
Short-term debt | (496) | (302)
Long-term debt | (5,005) | (6,707)
Reinsurance related embedded derivatives |  | (206)
Fixed Maturity AFS Securities [Member] | Carrying Value [Member] |  |
Assets |  |
Fixed maturity AFS securities | 99,736 | 118,746
Fixed Maturity AFS Securities [Member] | Fair Value [Member] |  |
Assets |  |
Fixed maturity AFS securities | 99,736 | 118,746
Future Contract Benefits [Member] | Carrying Value [Member] |  |
Future contract benefits: |  |
Indexed annuity and IUL contracts embedded derivatives | (4,783) | (6,131)
Future Contract Benefits [Member] | Fair Value [Member] |  |
Future contract benefits: |  |
Indexed annuity and IUL contracts embedded derivatives | (4,783) | (6,131)
Other Liabilities [Member] | Carrying Value [Member] |  |
Other contract holder funds: |  |
Other liabilities - derivative liabilities | (177) | (677)
Other Liabilities [Member] | Fair Value [Member] |  |
Other contract holder funds: |  |
Other liabilities - derivative liabilities | (177) | (677)
Other Liabilities [Member] | GLB Ceded Embedded Derivatives [Member] | Carrying Value [Member] |  |
Other contract holder funds: |  |
Other liabilities - GLB embedded derivatives | (167) | (182)
Other Liabilities [Member] | GLB Ceded Embedded Derivatives [Member] | Fair Value [Member] |  |
Other contract holder funds: |  |
Other liabilities - GLB embedded derivatives | $ (167) | $ (182)

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