Income Tax Examination, Amount Of Estimate Of Possible Loss Which Exceeds Reserves

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- Definition

Estimated amount of loss resulting from an adverse tax position.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ 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.

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- Definition

Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2020	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2019
Income Tax Examination [Line Items]
Provision for (benefit from) income taxes		$ (2,695)	$ 56	$ (2,656)	$ 71
Increase (decrease) in valuation allowance		$ 2,800
Tax adjustments, settlements, and unusual provisions						$ 196
Internal Revenue Service (IRS)
Income Tax Examination [Line Items]
Income tax examination, additional income tax expense and cash liability	$ 1,300
Income tax examination, amount of estimate of possible loss which exceeds reserves	$ 1,000