Shareholders' Equity (Schedule of Share Repurchases) (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jul. 02, 2021	Jul. 03, 2020		Jun. 28, 2019
Repurchases of Equity Securities, Number of Shares Repurchased
Number of shares repurchased, cumulative, beginning of the period (in shares)	392	374		352
Number of shares repurchased, during the period (in shares)	34	18	[1]	22	[1]
Number of shares repurchased, cumulative, end of the period (in shares)	426	392		374
Repurchases of Equity Securities, Dollar Value of Shares Repurchased
Dollar value of shares repurchased, cumulative, beginning of the period	$ 12,386	$ 11,499		$ 10,502
Dollar value of shares repurchased during the period	2,081	887	[1]	997	[1]
Dollar value of shares repurchased, cumulative, end of the period	14,467	12,386		11,499
Settlement in connection with tax withholding	$ 33	$ 40		$ 31
Settlement of shares in connection with tax withholding (in shares)	1	1		1

[1]     For fiscal years 2021, 2020 and 2019, includes net share settlements of $33 million, $40 million and $31 million for 1 million, 1 million and 1 million shares, respectively, in connection with tax withholding related to vesting of restricted share units.