NOTES PAYABLE AND OTHER BORROWINGS - Summary of Senior Notes (Parenthetical) (Details) $ in Millions	9 Months Ended
Feb. 28, 2026 USD ($)
Fixed-Rate Senior Notes Due February 2029 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 3,000
Stated interest rate percentage	4.55%
Maturity date	Feb. 04, 2029
Fixed-Rate Senior Notes Due September 2030 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 3,000
Stated interest rate percentage	4.45%
Maturity date	Sep. 26, 2030
Fixed-Rate Senior Notes Due February 2031 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 3,500
Stated interest rate percentage	4.95%
Maturity date	Feb. 04, 2031
Fixed-Rate Senior Notes Due September 2032 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 3,000
Stated interest rate percentage	4.80%
Maturity date	Sep. 26, 2032
Fixed-Rate Senior Notes Due May 2033 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 3,000
Stated interest rate percentage	5.35%
Maturity date	May 04, 2033
Fixed-Rate Senior Notes Due September 2035 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 4,000
Stated interest rate percentage	5.20%
Maturity date	Sep. 26, 2035
Fixed-Rate Senior Notes Due February 2036 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 5,000
Stated interest rate percentage	5.70%
Maturity date	Feb. 04, 2036
Fixed-Rate Senior Notes Due September 2045 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 2,500
Stated interest rate percentage	5.875%
Maturity date	Sep. 26, 2045
Fixed-Rate Senior Notes Due February 2046 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 2,250
Stated interest rate percentage	6.55%
Maturity date	Feb. 04, 2046
Fixed-Rate Senior Notes Due September 2055 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 3,500
Stated interest rate percentage	5.95%
Maturity date	Sep. 26, 2055
Fixed-Rate Senior Notes Due February 2056 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 5,000
Stated interest rate percentage	6.70%
Maturity date	Feb. 04, 2056
Fixed-Rate Senior Notes Due September 2065 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 2,000
Stated interest rate percentage	6.10%
Maturity date	Sep. 26, 2065
Fixed-Rate Senior Notes Due February 2066 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 2,750
Stated interest rate percentage	6.85%
Maturity date	Feb. 04, 2066
Floating-Rate Senior Notes Due Februay 2029 [Member]
Debt Instrument [Line Items]
Senior notes, par value	$ 500
Variable rate	1.11%
Maturity date	Feb. 04, 2029

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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