v3.21.2
Debt (Tables)
 12 Months Ended
Sep. 30, 2021
Debt Disclosure [Abstract]  
Outstanding debt
The Company had outstanding debt as follows:
September 30,
20212020
Effective Interest Rate(1)
(in millions, except percentages)
2.20% Senior Notes due December 2020
$— $3,000 2.30 %
2.15% Senior Notes due September 2022
1,000 1,000 2.30 %
2.80% Senior Notes due December 2022
2,250 2,250 2.89 %
3.15% Senior Notes due December 2025
4,000 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 %
2.05% Senior Notes due April 2030
1,500 1,500 2.13 %
1.10% Senior Notes due February 2031
1,000 1,000 1.20 %
4.15% Senior Notes due December 2035
1,500 1,500 4.23 %
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 %
Total debt21,000 24,000 
Unamortized discounts and debt issuance costs(161)(178)
Hedge accounting fair value adjustments(2)
138 248 
Total carrying value of debt$20,977 $24,070 
Reported as:
Current maturities of debt$999 $2,999 
Long-term debt19,978 21,071 
Total carrying value of debt$20,977 $24,070 
(1)Effective interest rates disclosed do not reflect hedge accounting adjustments.
(2)Represents the change in fair value of interest rate swap agreements entered into on a portion of the outstanding senior notes. See Note 1—Summary of Significant Accounting Policies and Note 13—Derivative Financial Instruments.
Future Principal Payments on Outstanding Debt
At September 30, 2021, future principal payments on the Company’s outstanding debt were as follows:
For the Years Ending September 30,
20222023202420252026ThereafterTotal
(in millions)
Future principal payments$1,000 $2,250 $— $— $4,000 $13,750 $21,000