Income Taxes (Details Textuals) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
Income Tax Examination [Line Items] | ||||
Actual tax rates | 21.30% | 22.60% | 30.40% | 21.40% |
Unrecognized tax benefits change as a result of potential resolutions of prior years' tax | $ 106 | $ 106 | ||
Unrecognized tax benefits that, if recognized, could impact effective tax rate. | $ 90 | $ 90 | ||
Internal Revenue Service (IRS) [Member] | Tax Year 2017 [Member] | ||||
Income Tax Examination [Line Items] | ||||
Open tax years by major tax jurisdiction | 2017 | |||
Internal Revenue Service (IRS) [Member] | Tax Year 2018 [Member] | ||||
Income Tax Examination [Line Items] | ||||
Open tax years by major tax jurisdiction | 2018 |