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Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024	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
Debt, fair value	333	$ 323
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