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Taxes on Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Examination [Line Items]
Effective income tax rate (as percent)	29.30%	14.40%	15.80%	15.60%
Internal Revenue Service (IRS) | Domestic Tax Authority
Income Tax Examination [Line Items]
Tax benefit recognized related to settlement			$ 236
Income taxes paid			190
Internal Revenue Service (IRS) | Domestic Tax Authority | Continuing Operations
Income Tax Examination [Line Items]
Tax benefit recognized related to settlement			207
Income taxes paid			172
Internal Revenue Service (IRS) | Domestic Tax Authority | Discontinued Operations
Income Tax Examination [Line Items]
Tax benefit recognized related to settlement			29
Income taxes paid			$ 18

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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