Fair Values of Derivative Instruments (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Jun. 30, 2023
Derivatives Fair Value [Line Items]
Derivative Assets	$ 636	$ 469
Gross amounts of derivatives offset in the balance sheet, assets	(294)	(202)
Cash collateral received, assets	0	0
Net amounts of derivatives, assets	$ 342	$ 267
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term assets	Other long-term assets
Derivative Liabilities	$ (772)	$ (805)
Gross amounts of derivatives offset in the balance sheet, liabilities	296	206
Cash collateral received, liabilities	(103)	(125)
Net amounts of derivatives, liabilities	$ (579)	$ (724)
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Derivative Asset Statement of Financial Position [Extensible Enumeration not Disclosed Flag]	Net amounts of derivatives, assets	Net amounts of derivatives, assets
Derivative Liability Statement of Financial Position [Extensible Enumeration not Disclosed Flag]	Net amounts of derivatives, liabilities	Net amounts of derivatives, liabilities
Level 1
Derivatives Fair Value [Line Items]
Derivative Assets	$ 2	$ 0
Derivative Liabilities	0	0
Level 2
Derivatives Fair Value [Line Items]
Derivative Assets	629	462
Derivative Liabilities	(772)	(805)
Level 3
Derivatives Fair Value [Line Items]
Derivative Assets	5	7
Derivative Liabilities	0	0
Designated as Hedging Instruments | Foreign Exchange Contracts
Derivatives Fair Value [Line Items]
Derivative Assets	21	34
Derivative Liabilities	(75)	(67)
Designated as Hedging Instruments | Interest Rate Contracts
Derivatives Fair Value [Line Items]
Derivative Assets	9	16
Derivative Liabilities	0	0
Not Designated as Hedging Instruments | Foreign Exchange Contracts
Derivatives Fair Value [Line Items]
Derivative Assets	503	249
Derivative Liabilities	(331)	(332)
Not Designated as Hedging Instruments | Equity Contracts
Derivatives Fair Value [Line Items]
Derivative Assets	95	165
Derivative Liabilities	(342)	(400)
Not Designated as Hedging Instruments | Other Contracts
Derivatives Fair Value [Line Items]
Derivative Assets	8	5
Derivative Liabilities	(24)	(6)
Short-term Investments
Derivatives Fair Value [Line Items]
Net amounts of derivatives, assets	6	6
Other Current Assets
Derivatives Fair Value [Line Items]
Net amounts of derivatives, assets	327	245
Other Long-term Assets
Derivatives Fair Value [Line Items]
Net amounts of derivatives, assets	9	16
Other Current Liabilities
Derivatives Fair Value [Line Items]
Net amounts of derivatives, liabilities	(259)	(341)
Other Long-term Liabilities
Derivatives Fair Value [Line Items]
Net amounts of derivatives, liabilities	$ (320)	$ (383)