Debt (Tables)

3 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

The Company had outstanding debt as follows:

	December 31, 2020		September 30, 2020		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 debt	21,000		24,000
Unamortized discounts and debt issuance costs	(173)		(178)
Hedge accounting fair value adjustments(2)	228		248
Total carrying value of debt	$	21,055	$	24,070
Reported as:
Current maturities of debt	$	—	$	2,999
Long-term debt	21,055		21,071
Total carrying value of debt	$	21,055	$	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 outstanding senior notes.