Inventories, Net (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Inventory [Line Items]
Operating expenses	$ 3,346	$ 3,091	$ 4,514	$ 4,559
Amortization Expense
Inventory [Line Items]
Operating expenses	$ 2,800	$ 2,500	$ 3,500	$ 3,300

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

No definition available.

Name:	us-gaap_OperatingCostsAndExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration