Number of notices on proposed additional tax

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- Definition

Proposed additional income tax

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No definition available.

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- Definition

Repatriation tax on proposed additional tax

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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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 the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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

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- Definition

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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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Income taxes (Textual) (Details)	12 Months Ended
Income taxes (Textual) (Details)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	May 31, 2021 USD ($)
Tax Credit Carryforward [Line Items]
Interest and penalties related to unrecognized tax benefits recognized in income tax provision	$ 98,000,000	$ 116,000,000	$ 198,000,000
Accrued interest and penalties associated with unrecognized tax benefits	881,000,000	783,000,000
Income taxes paid	1,900,000,000	$ 1,400,000,000	$ 1,900,000,000
Federal [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards available to reduce income taxes	75,000,000
NOL carryforwards available to reduce income taxes	606,000,000
NOL carryforwards, valuation allowance	6,000,000
NOLs with no valuation allowance and no expiration	426,000,000
Proposed additional income tax				$ 3,600,000,000
Repatriation tax on proposed additional tax				$ 900,000,000
Number of notices on proposed additional tax				2
Federal [Member] \| Expiration in tax years between 2023 and 2040
Tax Credit Carryforward [Line Items]
Tax credit carryforwards, valuation allowance	0
Federal [Member] \| Operating Losses That Expire Between 2022 and 2037
Tax Credit Carryforward [Line Items]
NOL carryforwards, valuation allowance	0
State [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards available to reduce income taxes	798,000,000
Tax credit carryforwards, valuation allowance	709,000,000
NOL carryforwards available to reduce income taxes	391,000,000
NOL carryforwards, valuation allowance	330,000,000
Foreign [Member]
Tax Credit Carryforward [Line Items]
NOL carryforwards available to reduce income taxes	2,000,000,000
NOL carryforwards, valuation allowance	561,000,000
NOLs with no valuation allowance and no expiration	800,000,000
Foreign [Member] \| Operating Losses That Expire Between 2022 and 2031
Tax Credit Carryforward [Line Items]
NOL carryforwards, valuation allowance	$ 0