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Investments (Borrowed Securities Repurchased Securities And Repurchased Reversed Repurchased Securities) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Securities Financing Transaction [Line Items] |  |
Securities Received as Collateral | $ 102 | $ 102
Securities Financing Transaction, Cost |  |
Securities Financing Transaction [Line Items] |  |
Securities Borrowed | 374 | 118
Securities Loaned, Fair Value of Collateral | 94 | 94
Securities for Reverse Repurchase Agreements | 704 | 653
Cash | 10 | 0
Securities Financing Transaction, Fair Value |  |
Securities Financing Transaction [Line Items] |  |
Securities Borrowed | 420 | 161
Securities Loaned, Fair Value of Collateral | 102 | 105
Securities for Reverse Repurchase Agreements | 736 | 711
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities | 728 | 669
Cash | $ 10 | $ 0

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631418-115840 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631419-115840 + Details
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