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General Goodwill (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2021 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill, Period Increase (Decrease) | $ (13)

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- References No definition available. + Details
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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