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Derivative Instruments (Maturity Of The Notional Amounts Of Derivative Financial Instruments) (Details) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2022 | Dec. 31, 2021
Maturity of the notional amounts of derivative financial instruments |  |
Remaining Life Less Than 1 Year | $ 126,871 |
Remaining Life - 1 - 5 Years | 57,640 |
Remaining Life - 6 - 10 Years | 34,369 |
Remaining Life - 11 - 30 Years | 23,242 |
Remaining Life Over - 30 Years | 15,337 |
Remaining Life - Total Years | 257,459 | $ 199,195
Interest Rate Contracts [Member] |  |
Maturity of the notional amounts of derivative financial instruments |  |
Remaining Life Less Than 1 Year | 31,463 |
Remaining Life - 1 - 5 Years | 27,958 |
Remaining Life - 6 - 10 Years | 24,892 |
Remaining Life - 11 - 30 Years | 21,196 |
Remaining Life Over - 30 Years | 4,213 |
Remaining Life - Total Years | $ 109,722 |
Derivative maturity date | Apr. 20, 2067 |
Foreign currency contracts [Member] |  |
Maturity of the notional amounts of derivative financial instruments |  |
Remaining Life Less Than 1 Year | $ 261 |
Remaining Life - 1 - 5 Years | 730 |
Remaining Life - 6 - 10 Years | 1,681 |
Remaining Life - 11 - 30 Years | 2,037 |
Remaining Life Over - 30 Years | 69 |
Remaining Life - Total Years | $ 4,778 |
Derivative maturity date | Jun. 16, 2061 |
Equity market contracts [Member] |  |
Maturity of the notional amounts of derivative financial instruments |  |
Remaining Life Less Than 1 Year | $ 95,134 |
Remaining Life - 1 - 5 Years | 28,952 |
Remaining Life - 6 - 10 Years | 7,796 |
Remaining Life - 11 - 30 Years | 9 |
Remaining Life Over - 30 Years | 11,055 |
Remaining Life - Total Years | 142,946 |
Commodity Contract [Member] |  |
Maturity of the notional amounts of derivative financial instruments |  |
Remaining Life Less Than 1 Year | 13 |
Remaining Life - Total Years | $ 13 |

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- Definition Total notional amounts of derivative financial instruments maturing in 11 - 30 years. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments maturing in 1 - 5 years. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments maturing in 6 - 10 years. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments maturing in less than 1 year. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments with maturity dates over 30 years + References No definition available. + Details
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- References No definition available. + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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