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v3.24.3

Short-Term Borrowings and Long-Term Debt (Details) - USD ($) $ in Millions | Jul. 31, 2024 | Mar. 31, 2024
--- | --- | ---
Debt Instrument [Line Items] |  |
Par Value | $ 12,000 | $ 6,000
4.600% notes due April 2027 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.60%
Par Value |  | $ 500
4.700% notes due April 2029 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.70%
Par Value |  | $ 400
4.900% notes due April 2031 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.90%
Par Value |  | $ 1,000
5.000% notes due April 2034 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.00%
Par Value |  | $ 1,250
5.375% Notes due April 2054 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.375%
Par Value |  | $ 1,750
5.500% Notes due April 2064 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.50%
Par Value |  | $ 1,100
Floating rate notes due July 2026 |  |
Debt Instrument [Line Items] |  |
Par Value | $ 500 |
4.750% notes due July 2026 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.75% |
Par Value | $ 650 |
4.800% notes due January 2030 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.80% |
Par Value | $ 1,250 |
4.950% notes due January 2032 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.95% |
Par Value | $ 1,500 |
5.150% notes due July 2034 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.15% |
Par Value | $ 2,000 |
5.500% notes due July 2044 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.50% |
Par Value | $ 1,500 |
5.625% notes due July 2054 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.625% |
Par Value | $ 2,750 |
5.750% notes due July 2064 |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.75% |
Par Value | $ 1,850 |

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