Derivative Instruments - Impact on Statements of Income, Net Investment Hedges (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Translation adjustments, net of hedges
Gains/(losses) recorded in income and other comprehensive income/(loss)
Reclassification of pre-tax gains (losses) related to net investment hedges	$ (35)	$ 38	$ 0
Net Investment Hedging \| Foreign exchange contracts
Gains/(losses) recorded in income and other comprehensive income/(loss)
Amounts recorded in income	384	(123)	(228)
Amounts recorded in OCI	$ (1,732)	$ 3,591	$ 2,452

Net investment hedge gains and losses.

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- Definition

Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Subparagraph (b)
-SubTopic 20
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480627/815-20-45-1A

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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

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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

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