v3.26.1
Debt (Tables)
6 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
Schedule of Debt
The Company had outstanding debt as follows:
March 31,
2026
September 30,
2025
Effective Interest Rate(1)
(in millions, except percentages)
U.S. dollar notes
3.15% Senior Notes due December 2025
$ $4,000 3.26%
1.90% Senior Notes due April 2027
1,500 1,500 2.02%
0.75% Senior Notes due August 2027
500 500 0.84%
2.75% Senior Notes due September 2027
750 750 2.91%
3.80% Senior Notes due February 2029
900 — 3.99%
2.05% Senior Notes due April 2030
1,500 1,500 2.13%
4.10% Senior Notes due February 2031
750 — 4.23%
1.10% Senior Notes due February 2031
1,000 1,000 1.20%
4.40% Senior Notes due February 2033
700 — 4.54%
4.15% Senior Notes due December 2035
1,500 1,500 4.23%
4.70% Senior Notes due February 2036
650 — 4.79%
2.70% Senior Notes due April 2040
1,000 1,000 2.80%
4.30% Senior Notes due December 2045
3,500 3,500 4.37%
3.65% Senior Notes due September 2047
750 750 3.73%
2.00% Senior Notes due August 2050
1,750 1,750 2.09%
Euro notes
1.50% Senior Notes due June 2026
1,560 1,587 1.71%
2.25% Senior Notes due May 2028
1,444 1,470 2.57%
2.00% Senior Notes due June 2029
1,156 1,176 2.13%
3.125% Senior Notes due May 2033
1,156 1,176 3.20%
2.375% Senior Notes due June 2034
751 764 2.53%
3.50% Senior Notes due May 2037
751 764 3.62%
3.875% Senior Notes due May 2044
693 705 4.02%
Total debt
24,261 25,392 
Unamortized discounts and debt issuance costs(172)(171)
Hedge accounting fair value adjustments(2)
(113)(50)
Total carrying value of debt
$23,976 $25,171 
Reported as:
Current maturities of debt$1,559 $5,569 
Long-term debt22,417 19,602 
Total carrying value of debt
$23,976 $25,171 
(1)Effective interest rates disclosed do not reflect hedge accounting adjustments.
(2)Represents the fair value of interest rate swap agreements entered into on a portion of the outstanding senior notes.