Investments - Other Long-Term Investments (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Schedule of Investments [Line Items]
Other long-term investments	$ 5,246	$ 5,037
Real estate investments
Schedule of Investments [Line Items]
Other long-term investments	1,971	1,895
Securities partnerships
Schedule of Investments [Line Items]
Other long-term investments	3,082	2,948
Other long-term investments
Schedule of Investments [Line Items]
Other long-term investments	$ 193	$ 194

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.

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