Income Taxes (Tables)

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Income Tax Rate Reconciliation

Income Tax Rate Reconciliation
	Three Months Ended March 31,
	2024		2023
Tax provision at U.S. federal statutory rate	$	191	$	137
Nontaxable investment income	(11)		(11)
Decrease in deferred tax valuation allowance	(12)		(3)
Stock-based compensation, net	(16)		(9)
Other	6		4
Provision for income taxes	$	158	$	118

Summary of Income Tax Contingencies

Rollforward of Unrecognized Tax Benefits
	Three Months Ended March 31,
	2024		2023
Balance, beginning of period	$	26	$	22
Gross increases - tax positions in current period	1		1
Balance, end of period	$	27	$	23