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Debt (Additional Disclosures) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
	Apr. 30, 2024	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Line of Credit Facility [Line Items]
Proceeds from borrowings under the revolving credit facility					$ 0	$ 600
Credit Agreement | Term Loan
Line of Credit Facility [Line Items]
Principal amount of debt	$ 650
Base Rate | Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.00%
Term Benchmark | Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.875%
Term Benchmark | Minimum | Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.75%
Term Benchmark | Maximum | Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.125%
Term Benchmark Without Debt Ratings | Minimum | Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.875%
Term Benchmark Without Debt Ratings | Maximum | Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.125%
Revolving Credit Facility | Credit Agreement | Unsecured Debt
Line of Credit Facility [Line Items]
Principal amount of debt	$ 1,850
Proceeds from borrowings under the revolving credit facility				$ 600
Repayments of Lines of Credit		$ 300	$ 300

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