Deferred tax assets credit loss carryforwards and NOL carryforwards domestic

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Income Tax [Line Items]

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of tax benefit from exercise of option under share-based payment arrangement.

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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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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act, classified as current.

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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act, classified as noncurrent.

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Amount of unrecognized tax benefits.

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

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Taxes on Income - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax [Line Items]
Transition tax for accumulated foreign earnings, liability	$ 2,600
Deferred tax assets on NOL carryforwards relating to foreign jurisdictions	181
Deferred tax assets relating to various U.S. tax credit carryforwards and NOL carryforwards	686
Tax credit and operating loss carryforward, valuation allowance	287	$ 404
Income taxes paid	2,400	2,700	$ 4,500
Tax benefits relating to stock option exercises	21	12	65
Unrecognized tax benefits	1,529	1,537	1,225	$ 1,893
Favorable net impact to income tax provision if unrecognized tax benefits were recognized	1,500
Reasonably possible amount that liability for unrecognized tax benefits could decline up to in next 12 months (up to)	11
Interest and penalties associated with uncertain tax positions, expense (benefit)	(37)	16	(53)
Liabilities for accrued interest and penalties	192	205
Unrecognized tax benefits from adjustments related to examination	46	$ 70	356
Foreign Jurisdiction
Income Tax [Line Items]
Valuation allowance on foreign NOL carryforwards	164
Federal
Income Tax [Line Items]
Valuation allowance on foreign NOL carryforwards	123
Federal \| Internal Revenue Service (IRS)
Income Tax [Line Items]
Income taxes paid	190		107
Unrecognized tax benefits from adjustments related to examination	236		364
Federal \| Internal Revenue Service (IRS) \| Continuing Operations
Income Tax [Line Items]
Income taxes paid	172
Unrecognized tax benefits from adjustments related to examination	207		106
Proceeds from income tax refunds			35
Federal \| Internal Revenue Service (IRS) \| Discontinued Operations
Income Tax [Line Items]
Income taxes paid	18		142
Unrecognized tax benefits from adjustments related to examination	29		$ 258
Income Taxes Payable
Income Tax [Line Items]
Transition tax liability, current	390
Other Noncurrent Liabilities
Income Tax [Line Items]
Transition tax liability, noncurrent	$ 2,200