Summary of Significant Accounting Policies - Narrative (Details) - EMSP 334 - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
EBP, Accounting Policy [Line Items]
Total investments	$ 25,652	$ 23,423
Percentage of market value of securities required for collateral	102.00%
Percentage of market value of securities required for collateral denominated in different currencies	105.00%
Other investments on loan
EBP, Accounting Policy [Line Items]
Total investments	$ 0	$ 2

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details