Shareholders' Equity Share Repurchase Program (Details Textuals) - USD ($) shares in Millions		1 Months Ended	12 Months Ended
	Jul. 25, 2018	Aug. 22, 2018	Jun. 29, 2018	Jun. 30, 2017
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, number of shares authorized to be repurchased			$ 5,000,000,000
Repurchases of stock, shares			7.1
Repurchases of stock, value			$ 1,444,000,000	$ 1,666,000,000
Stock Repurchase Program Effective Until February 3 2020
Equity, Class of Treasury Stock [Line Items]
Repurchases of stock, value			$ 591,000,000
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, number of shares authorized to be repurchased	$ 5,000,000,000
Repurchases of stock, shares	0.8	5.9
Repurchases of stock, value		$ 404,000,000
Subsequent Event | Stock Repurchase Program Effective Until February 3 2020
Equity, Class of Treasury Stock [Line Items]
Repurchases of stock, value	$ 61,000,000