Segment Information - Narrative (Details)	3 Months Ended
Mar. 31, 2024 USD ($) segment	Mar. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	2
Revenues	$ 4,740,000,000	$ 5,116,000,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0

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).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details