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Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Nov. 30, 2022	Mar. 31, 2021
Senior unsecured notes, maturing 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of long term debt	$ 348	$ 348
Debt, fair value	336	$ 341
Senior unsecured notes, maturing 2029 \| Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate					3.625%
Amended Credit Facility \| Line of Credit \| Revolving Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maximum borrowing capacity			$ 750	$ 550
Long-term debt, gross	$ 0
Amended Credit Facility \| Letter of Credit Sub-limit \| Revolving Credit Facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maximum borrowing capacity			$ 75	$ 60