v3.25.2
Components of Long-term Debt (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Debt Instrument [Line Items]    
Total face value $ 49,206 $ 51,221
Unamortized discount and issuance costs (1,155) (1,227)
Hedge fair value adjustments [1] (36) (81)
Premium on debt exchange (4,864) (4,976)
Total debt 43,151 44,937
Current portion of long-term debt (2,999) (2,249)
Long-term debt $ 40,152 42,688
2009 Issuance of $3.8 billion    
Debt Instrument [Line Items]    
Maturities (calendar year) 2039  
Stated Interest Rate 5.20%  
Effective Interest Rate 5.24%  
Total face value $ 520 520
2010 Issuance of $4.8 billion    
Debt Instrument [Line Items]    
Maturities (calendar year) 2040  
Stated Interest Rate 4.50%  
Effective Interest Rate 4.57%  
Total face value $ 486 486
2011 Issuance of $2.3 billion    
Debt Instrument [Line Items]    
Maturities (calendar year) 2041  
Stated Interest Rate 5.30%  
Effective Interest Rate 5.36%  
Total face value $ 718 718
2012 Issuance of $2.3 billion    
Debt Instrument [Line Items]    
Maturities (calendar year) 2042  
Stated Interest Rate 3.50%  
Effective Interest Rate 3.57%  
Total face value $ 454 454
2013 Issuance of $5.2 billion    
Debt Instrument [Line Items]    
Maturities (calendar year) 2043  
Total face value $ 314 314
2013 Issuance of $5.2 billion | Minimum    
Debt Instrument [Line Items]    
Stated Interest Rate 3.75%  
Effective Interest Rate 3.83%  
2013 Issuance of $5.2 billion | Maximum    
Debt Instrument [Line Items]    
Stated Interest Rate 4.88%  
Effective Interest Rate 4.92%  
2013 Issuance of €4.1 billion    
Debt Instrument [Line Items]    
Total face value $ 2,700 2,465
2013 Issuance of €4.1 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2028  
Stated Interest Rate 2.63%  
Effective Interest Rate 2.69%  
2013 Issuance of €4.1 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2033  
Stated Interest Rate 3.13%  
Effective Interest Rate 3.22%  
2015 Issuance of $23.8 billion    
Debt Instrument [Line Items]    
Total face value $ 7,555 9,805
2015 Issuance of $23.8 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2025  
Stated Interest Rate 3.13%  
Effective Interest Rate 3.18%  
2015 Issuance of $23.8 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2055  
Stated Interest Rate 4.75%  
Effective Interest Rate 4.78%  
2016 Issuance of $19.8 billion    
Debt Instrument [Line Items]    
Total face value $ 7,930 7,930
2016 Issuance of $19.8 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2026  
Stated Interest Rate 2.40%  
Effective Interest Rate 2.46%  
2016 Issuance of $19.8 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2056  
Stated Interest Rate 3.95%  
Effective Interest Rate 4.03%  
2017 Issuance of $17.1 billion    
Debt Instrument [Line Items]    
Total face value $ 6,833 6,833
2017 Issuance of $17.1 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2026  
Stated Interest Rate 3.30%  
Effective Interest Rate 3.38%  
2017 Issuance of $17.1 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2057  
Stated Interest Rate 4.50%  
Effective Interest Rate 5.49%  
2020 Issuance of $10.1 billion    
Debt Instrument [Line Items]    
Total face value $ 10,111 10,111
2020 Issuance of $10.1 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2030  
Stated Interest Rate 1.35%  
Effective Interest Rate 2.53%  
2020 Issuance of $10.1 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2060  
Stated Interest Rate 2.68%  
Effective Interest Rate 5.43%  
2021 issuance of $8.2 billion    
Debt Instrument [Line Items]    
Total face value $ 8,185 8,185
2021 issuance of $8.2 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2052  
Stated Interest Rate 2.92%  
Effective Interest Rate 2.92%  
2021 issuance of $8.2 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2062  
Stated Interest Rate 3.04%  
Effective Interest Rate 3.04%  
2023 issuance of $0.1 billion    
Debt Instrument [Line Items]    
Total face value $ 56 56
2023 issuance of $0.1 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2026  
Stated Interest Rate 1.35%  
Effective Interest Rate 5.16%  
2023 issuance of $0.1 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2050  
Stated Interest Rate 4.50%  
Effective Interest Rate 5.49%  
2024 issuance of $3.3 billion    
Debt Instrument [Line Items]    
Total face value $ 3,344 $ 3,344
2024 issuance of $3.3 billion | Minimum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2026  
Stated Interest Rate 1.35%  
Effective Interest Rate 5.16%  
2024 issuance of $3.3 billion | Maximum    
Debt Instrument [Line Items]    
Maturities (calendar year) 2050  
Stated Interest Rate 4.50%  
Effective Interest Rate 5.49%  
[1] Refer to Note 5 – Derivatives for further information on the interest rate swaps related to fixed-rate debt.