The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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Short-Term Debt - Credit Facilities (Detail) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Dec. 17, 2021
Line Of Credit Facility [Line Items]
Credit Facilities	$ 1,200,000,000	$ 1,200,000,000
Borrowings Outstanding	209,000,000	1,019,000,000
Letters of Credit Outstanding	1,000,000	1,000,000
Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0
Letters of Credit Outstanding		400,000,000
Commercial Paper [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	706,000,000	619,000,000
5-year Facility [Member]
Line Of Credit Facility [Line Items]
Credit Facilities			$ 800,000,000
5-year Facility [Member] \| December 17, 2026 [Member]
Line Of Credit Facility [Line Items]
Credit Facilities	800,000,000	800,000,000
Letters of Credit Outstanding	1,000,000	1,000,000
5-year Facility [Member] \| December 17, 2026 [Member] \| Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0
Letters of Credit Outstanding		0
5-year Facility [Member] \| December 17, 2026 [Member] \| Commercial Paper [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	706,000,000	619,000,000
1-year Term Facility [Member] \| December 13, 2023 [Member]
Line Of Credit Facility [Line Items]
Credit Facilities	0	400,000,000
Letters of Credit Outstanding	0	0
1-year Term Facility [Member] \| December 13, 2023 [Member] \| Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0
Letters of Credit Outstanding		400,000,000
1-year Term Facility [Member] \| December 13, 2023 [Member] \| Commercial Paper [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0	0
1-year Term Facility [Member] \| February 28, 2024 [Member]
Line Of Credit Facility [Line Items]
Credit Facilities	200,000,000	0
Letters of Credit Outstanding	0	0
1-year Term Facility [Member] \| February 28, 2024 [Member] \| Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0
Letters of Credit Outstanding		0
1-year Term Facility [Member] \| February 28, 2024 [Member] \| Commercial Paper [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0	0
1-year Term Facility [Member] \| April 1, 2024 [Member]
Line Of Credit Facility [Line Items]
Credit Facilities	200,000,000	0
Letters of Credit Outstanding	0	0
1-year Term Facility [Member] \| April 1, 2024 [Member] \| Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	0
Letters of Credit Outstanding		0
1-year Term Facility [Member] \| April 1, 2024 [Member] \| Commercial Paper [Member]
Line Of Credit Facility [Line Items]
Borrowings Outstanding	$ 0	$ 0