Income Taxes - Reconciliation to Nominal Tax Rate (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
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| Reconciliation of total taxes to nominal federal rate, amount [Abstract] | ||
| Total income taxes | $ 416 | $ 301 |
| Reconciliation of total taxes to nominal federal rate, percent [Abstract] | ||
| Total income taxes | 23.30% | 24.70% |
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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