BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 647	$ 830
Property and equipment, accumulated depreciation	$ 80,517	$ 76,421
Common stock, shares authorized	24,000,000,000	24,000,000,000
Common stock, outstanding	7,436,000,000	7,434,000,000