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Retirement and Deferred Compensation Plans (Deferred Compensation Plans Liabilities and Investment) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Retirement and Deferred Compensation Plans [Abstract] |  |
Total liabilities | $ 841 | $ 743
Investments dedicated to fund liabilities | $ 254 | $ 229

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- References No definition available. + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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