Derivative Financial Instruments - Schedule of Exposure to Credit Loss on Call Options Held (Details) - USD ($) $ in Millions	Apr. 01, 2026	Mar. 31, 2026	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Fair Value		$ 1,566	$ 1,596
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Fair Value		1,566	1,585
Derivatives not designated as hedging instruments \| Derivative instruments excluding futures contracts
Derivatives, Fair Value [Line Items]
Fair Value		879	1,137
Collateral		737	1,185
Net Credit Risk		$ 142	$ 34
Derivatives not designated as hedging instruments \| Derivative instruments excluding futures contracts \| Subsequent Event
Derivatives, Fair Value [Line Items]
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Increase (Decrease) In Collateral	$ 110

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.