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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Income Tax Disclosure [Abstract] |  |
Effective income tax rate reconciliation (percent) | 30.40% | 26.90%
Effective income tax rate reconciliation, including discrete items (percent) | 29.20% | 22.70%
Discrete income tax charge (benefit) | $ (1) | $ 8

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- Definition Effective Income Tax Rate Reconciliation, Including Discrete Items, Percent + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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