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Debt - Narrative (Details) |  | 3 Months Ended |
--- | --- | --- | ---
Oct. 03, 2022 USD ($) | Dec. 31, 2022 USD ($) creditFacility | Dec. 31, 2021 USD ($) | Sep. 30, 2022 USD ($)
Line Of Credit Facility [Line Items] |  |  |  |
Proceeds from issuance of long-term debt |  | $ 797,258,000 | $ 596,142,000 |
Maximum debt-to-total-capitalization ratio |  | 70.00% |  |
Debt-to-total-capitalization ratio |  | 0.48 |  |
Revolving Credit Facility |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 2,500,000,000 |  |
Number of credit facilities | creditFacility |  | 4 |  |
Minimum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Equity-to-total-capitalization ratio |  | 50.00% |  |
Outstanding indebtedness |  | $ 15,000,000 |  |
Maximum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Equity-to-total-capitalization ratio |  | 60.00% |  |
Outstanding indebtedness |  | $ 100,000,000 |  |
Unsecured Senior Notes Due Fiscal 2053 | Senior Notes |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument, face amount | $ 500,000,000 |  |  |
Interest rate | 5.75% |  |  |
Effective interest rate | 4.50% |  |  |
Unsecured Senior Notes Due Fiscal 2033 | Senior Notes |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Debt instrument, face amount | $ 300,000,000 |  |  |
Interest rate | 5.45% |  |  |
Effective interest rate | 5.57% |  |  |
Unsecured Senior Notes Due Fiscal 2053 and Fiscal 2033 | Senior Notes |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Proceeds from issuance of long-term debt | $ 789,400,000 |  |  |
Five Year Unsecured Revolving Credit Agreement |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Outstanding commercial paper |  | 0 |  | $ 185,000,000
Five Year Unsecured Revolving Credit Agreement | Commercial Paper |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 1,500,000,000 |  |
Debt agreement term |  | 5 years |  |
Accordion feature |  | $ 250,000,000 |  |
Maximum borrowing capacity post accordion feature |  | $ 1,750,000,000 |  |
Five Year Unsecured Revolving Credit Agreement | Minimum | Base Rate |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 0.00% |  |
Five Year Unsecured Revolving Credit Agreement | Minimum | SOFR |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 0.75% |  |
Five Year Unsecured Revolving Credit Agreement | Maximum | Base Rate |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 0.25% |  |
Five Year Unsecured Revolving Credit Agreement | Maximum | SOFR |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 1.25% |  |
$900 Million Revolving Credit Facility | Revolving Credit Facility |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 900,000,000 |  |
Debt agreement term |  | 3 years |  |
Accordion feature |  | $ 100,000,000 |  |
Maximum borrowing capacity post accordion feature |  | 1,000,000,000 |  |
Outstanding borrowings |  | $ 0 |  | 0
$900 Million Revolving Credit Facility | Minimum | Revolving Credit Facility | Base Rate |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 0.00% |  |
$900 Million Revolving Credit Facility | Minimum | Revolving Credit Facility | SOFR |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 0.75% |  |
$900 Million Revolving Credit Facility | Maximum | Revolving Credit Facility | Base Rate |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 0.25% |  |
$900 Million Revolving Credit Facility | Maximum | Revolving Credit Facility | SOFR |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Interest rate spread |  | 1.25% |  |
$50 Million Bank Loan Agreement | Line of Credit |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 50,000,000 |  |
Debt agreement term |  | 364 days |  |
Outstanding borrowings |  | $ 0 |  | $ 0
$50 Million Revolving Credit Facility |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Outstanding borrowings |  | 0 |  |
$50 Million Revolving Credit Facility | Revolving Credit Facility |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 50,000,000 |  |
Debt agreement term |  | 364 days |  |
Remaining borrowing capacity |  | $ 44,400,000 |  |

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- Definition Maximum available borrowing capacity under the credit facility with consideration of any additional committed line portions under the accordion feature that could be borrowed against with the approval of the issuing banks. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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