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Collateral Finance and Securitization Notes Collateral Finance and Securitization Notes (List of Collateral Finance and Securitization Notes) (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Collateralized Financings | $ 388 | $ 598
Debt Issuance Cost | (24) | (22)
Timerberlake Financial [Member] |  |
Collateralized Financings | 247 | 313
Reinsurance Group Of America Barbados [Member] |  |
Collateralized Financings | 0 | 127
Chesterfield Financial Holdings LLC [Member] |  |
Collateralized Financings | 143 | 161
Secured Debt [Member] |  |
Debt Issuance Cost | $ (2) | $ (3)

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- Definition The value of the collateral (typically cash) that the entity receives in a financing transaction in exchange for securities lent. This item represents a liability in the financial statements of the lender of the securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 25 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109249708&loc=d3e113275-111724 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
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