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Financial Instruments - Effect of Net Investment Hedges (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Foreign exchange contracts |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Amount of Pretax (Gain) Loss Recognized in Other Comprehensive Income | $ 0 | $ (48) | $ (49)
Foreign exchange contracts | Other (income) expense, net |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Amount of Pretax (Gain) Loss Recognized in Other (income) expense, net for Amounts Excluded from Effectiveness Testing | 1 | (1) | (13)
Euro-denominated notes |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Amount of Pretax (Gain) Loss Recognized in Other Comprehensive Income | 105 | (162) | (296)
Euro-denominated notes | Other (income) expense, net |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Amount of Pretax (Gain) Loss Recognized in Other (income) expense, net for Amounts Excluded from Effectiveness Testing | $ 0 | $ 0 | $ 0

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- Definition Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4CCC -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4CCC + Details
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- Definition Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4CCC -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4CCC + Details
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