Derivatives and Hedging Instruments - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Derivative, notional amount	$ 10,283	$ 10,278
Embedded derivative, fair value of embedded derivative, net	230	213
Net investment hedges \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	923	1,000
Foreign Exchange Contract \| Cash flow hedges
Derivative [Line Items]
Foreign currency cash flow hedge in AOCI to be reclassified in next 12 months	(51)	38
Cross-currency interest rate swaps \| Net investment hedges \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	373	1,986
Cross-currency interest rate swaps \| Cash flow hedges
Derivative [Line Items]
Foreign currency cash flow hedge in AOCI to be reclassified in next 12 months	13	13
Cross-currency interest rate swaps \| Cash flow hedges \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	2,972	1,030
Interest rate locks \| Cash flow hedges
Derivative [Line Items]
Derivative, notional amount	0	0
Foreign currency cash flow hedge in AOCI to be reclassified in next 12 months	$ 4	$ 3

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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