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Segment Information Revenue by Geographical Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Segment Revenue by Geographic [Line Items]
Revenue	$ 39,065	$ 37,341
UNITED STATES
Segment Revenue by Geographic [Line Items]
Revenue	37,976	36,310
Non-US [Member]
Segment Revenue by Geographic [Line Items]
Revenue	1,093	1,035
Operating Segments
Segment Revenue by Geographic [Line Items]
Revenue	39,069	37,345
Corporate
Segment Revenue by Geographic [Line Items]
Revenue	$ (4)	$ (4)

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[Line Items] for Segment Revenue by Geographic [Table]

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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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