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Business Developments And Risks And Uncertainties (Narrative) (Detail) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Jan. 01, 2020 | Mar. 31, 2020
Business Acquisition [Line Items] |  |
Relief Fund Approved By Congress And President |  | $ 500,000
Federal legislation passed to combat the economic impact |  | 2,200,000
Puerto Rico [Member] |  |
Business Acquisition [Line Items] |  |
Claims payments | $ 59 |
Outstanding bonds |  | $ 3,300

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- Definition Federal legislation passed to combat the economic impact. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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