Debt	3 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]
Debt	DebtIn December 2020, the Company redeemed $265 million of the aggregate principal outstanding on the 2.894% notes due June 6, 2022, as well as accrued interest, related premiums, fees and expenses related to these redeemed amounts. Based upon the aggregate $265 million carrying value of the notes redeemed and the $275 million the Company paid to redeem the aggregate principal amount of the notes, the Company recorded a loss on this debt extinguishment transaction in the first quarter of fiscal year 2021 of $10 million within Other income, net, on its condensed consolidated statements of income.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

Name:	us-gaap_DebtDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration