Segment Information Revenue From External Customers By Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	$ 44,836	$ 39,275	$ 134,261	$ 119,881
UNITED STATES
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	43,710	38,089	130,933	116,425
Non-US [Member]
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	1,131	1,189	3,339	3,468
Operating Segments
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	44,841	39,278	134,272	119,893
Corporate
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	$ (5)	$ (3)	$ (11)	$ (12)