Segment Information Revenue From External Customers By Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	$ 50,487	$ 44,836	$ 151,559	$ 134,261
UNITED STATES
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	49,326	43,710	148,136	130,933
Non-US [Member]
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	1,167	1,131	3,433	3,339
Operating Segments
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	50,493	44,841	151,569	134,272
Corporate
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	$ (6)	$ (5)	$ (10)	$ (11)