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Schedule II - Valuations and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 898	$ 944	$ 729	$ 687
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	2,514	2,702	2,407
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	1	1	1
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	2,561	2,488	2,366
Pricing Disputes [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	87	70	49
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	273	243	207	194
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	154	129	139
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	1	1	1
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	125	94	127
Prior Year Recoveries
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Addition, Recovery	1	1	1
SEC Schedule, 12-09, Allowance, Loss on Finance Receivable [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	8	12	27	14
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	1	5	15
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	0	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	5	20	2
Sales Returns and Allowances [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	617	689	495	$ 479
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	2,359	2,568	2,253
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	0	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	$ 2,431	$ 2,374	$ 2,237

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Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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-Topic 235
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.12-09(Column C)(1))
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-Publisher FASB
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