Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Condensed Consolidated Statements of Cash Flows [Abstract]
Cash and Cash Equivalents at Beginning of Period	$ 421	$ 325
Cash Flows from Operating Activities:
Net Income	148	126
Adjustments to reconcile net income to net cash provided from operating activities:
Depreciation and amortization expense	44	18
Deferred income tax benefit	(4)	0
Stock-based compensation expense	17	15
Restructuring charges	0	1
Payments for restructuring charges	(5)	(3)
Other	3	1
Changes in:
Receivables	(1)	(1)
Prepaid expenses and other current assets	(10)	(4)
Deferred reinsurance	(2)	0
Deferred policy acquisition costs	(1)	0
Deferred customer acquisition costs	(1)	0
Accounts payable	35	30
Deferred revenue	(11)	(7)
Accrued liabilities	11	(2)
Unpaid losses and loss adjustment reserves	1	0
Deferred insurance premiums	6	0
Current income taxes	22	13
Net Cash Provided from Operating Activities	251	187
Cash Flows from Investing Activities:
Purchases of property and equipment	(14)	(22)
Business acquisitions, net of cash acquired	3	0
Purchases of available-for-sale securities	(6)	0
Sales and maturities of available-for-sale securities	60	0
Net Cash Provided from (Used for) Investing Activities	42	(22)
Cash Flows from Financing Activities:
Repayments of debt	(14)	(8)
Repurchases of common stock	(135)	(58)
Other financing activities	(3)	(4)
Net Cash Used for Financing Activities	(153)	(71)
Cash Increase During the Period	141	93
Cash and Cash Equivalents at End of Period	$ 562	$ 419