Affiliate Transactions - Affiliate Revenue (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Related Party Transaction [Line Items]
Total revenue	$ 1,222	$ 1,392
Affiliates
Related Party Transaction [Line Items]
Total revenue	482	546
Affiliates \| Direct affiliate revenue
Related Party Transaction [Line Items]
Total revenue	345	401
Affiliates \| Allocated affiliate revenue
Related Party Transaction [Line Items]
Total revenue	$ 137	$ 145

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details