Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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Reconciliation of Unrecognized Tax Benefits [Roll Forward] | |||
Beginning balance | $ 572 | $ 1,124 | $ 1,091 |
Additions due to acquisitions | 0 | 15 | 26 |
Additions for tax positions of current year | 4 | 104 | 32 |
Additions for tax positions of prior years | 34 | 24 | 60 |
Reductions for tax positions of prior years | (43) | (659) | (5) |
Closure of tax years | (6) | (4) | (27) |
Settlements | (21) | (32) | (53) |
Ending balance | $ 540 | $ 572 | $ 1,124 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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