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Long-Term Debt (Amounts Outstanding Related To Commercial Paper Program) (Details) - Revolving credit facility - USD ($)	Dec. 31, 2025	Jul. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Letters of credit issued under the credit agreement	$ 0		$ 0
Line of Credit
Debt Instrument [Line Items]
Total authorized program	1,000,000,000	$ 1,200,000,000	1,200,000,000
Commercial paper outstanding (classified as long-term debt)	0		368,000,000.0
Letters of credit issued under the credit agreement	0		0
Amount limited by restrictive covenants of credit facility	291,000,000.0		388,800,000
Total program available	$ 709,000,000.0		$ 443,200,000

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