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Segment Information Revenue by Geographical Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Segment Revenue by Geographic [Line Items]
Revenue	$ 64,009	$ 52,277
UNITED STATES
Segment Revenue by Geographic [Line Items]
Revenue	63,611	51,891
Non-US [Member]
Segment Revenue by Geographic [Line Items]
Revenue	419	408
Operating Segments
Segment Revenue by Geographic [Line Items]
Revenue	64,030	52,299
Corporate
Segment Revenue by Geographic [Line Items]
Revenue	$ (21)	$ (22)

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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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