Derivative Financial Instruments - Schedule of Differences Between the Gains (Losses) on the Derivative and the Gains (Losses) on the Hedged Item (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Derivative [Line Items]
Total derivatives designated as cash flow hedges	$ 15	$ 10	$ (22)	$ 12
Total derivatives designated as net investment hedges	89	(622)	219	(907)
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivative	104	(612)	197	(895)
Total derivatives designated as cash flow hedges	(11)	(36)	(37)	(73)
Total derivatives designated as net investment hedges	0	0	0	0
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(11)	(36)	(37)	(73)
Interest rate contracts
Derivative [Line Items]
Total derivatives designated as cash flow hedges	15	10	$ (22)	12
Term of debt instrument			5 years
Interest rate contracts \| Income Statement Location [Axis]: us-gaap:InterestIncomeExpenseNet
Derivative [Line Items]
Total derivatives designated as cash flow hedges	(11)	(36)	$ (37)	(73)
Foreign exchange contracts
Derivative [Line Items]
Total derivatives designated as net investment hedges	89	(622)	219	(907)
Total derivatives designated as net investment hedges	$ 0	$ 0	$ 0	$ 0

Other Comprehensive Income (Loss), Derivative, Before Reclassification And Tax

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Period between issuance and maturity of debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 5A
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-Paragraph 6A
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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge.

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