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v3.20.2

New Accounting Standards (Narrative) (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2020 USD ($)
Accounting Standards Update 2016-13 [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | $ 15
Adjustments for New Accounting Pronouncement [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | $ 55

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