Segment Information Revenue From External Customers By Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	$ 54,911	$ 50,487	$ 167,119	$ 151,559
UNITED STATES
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	53,715	49,343	163,548	148,186
Non-US [Member]
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	1,216	1,167	3,632	3,433
Operating Segments
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	54,931	50,510	167,180	151,619
Corporate
Segment Revenue from External Customers by Geographic Area [Line Items]
Revenue	$ (20)	$ (23)	$ (61)	$ (60)