Premiums Receivable (Tables)

6 Months Ended

Jun. 30, 2026

Credit Loss [Abstract]

Premium Receivable, Allowance for Credit Loss [Table Text Block]


Premiums Receivable and Agents' Balances

			As of June 30, 2026			As of December 31, 2025
Premiums receivable, excluding receivables for losses within a deductible and retrospectively-rated policy premiums ("loss sensitive business")			$	6,674		$	5,948
Receivables for loss sensitive business, by credit quality:

AA			96			98
A			73			76
BBB			194			206
BB			90			89
Below BB			42			41
Total receivables for loss sensitive business			495			510

Total Premiums Receivable and Agents' Balances, Gross			7,169			6,458
ACL			(160)			(142)
Total Premiums Receivable and Agents' Balances, Net of ACL			$	7,009		$	6,316



Rollforward of ACL on Premiums Receivable and Agents' Balances for the Three Months Ended
			June 30, 2026												June 30, 2025
			Receivables Excluding Loss Sensitive Business			Receivables for Loss Sensitive Business			Total						Receivables Excluding Loss Sensitive Business			Receivables for Loss Sensitive Business			Total
Beginning ACL			$	131		$	22		$	153					$	105		$	21		$	126
Current period provision			23			1			24						24			1			25
Current period write-offs			(18)			—			(18)						(18)			—			(18)
Current period recoveries			1			—			1						2			—			2
Ending ACL			$	137		$	23		$	160					$	113		$	22		$	135


Rollforward of ACL on Premiums Receivable and Agents' Balances for the Six Months Ended
			June 30, 2026												June 30, 2025
			Receivables Excluding Loss Sensitive Business			Receivables for Loss Sensitive Business			Total						Receivables Excluding Loss Sensitive Business			Receivables for Loss Sensitive Business			Total
Beginning ACL			$	120		$	22		$	142					$	97		$	20		$	117
Current period provision			52			2			54						47			2			49
Current period write-offs			(37)			(1)			(38)						(35)			—			(35)
Current period recoveries			2			—			2						4			—			4
Ending ACL			$	137		$	23		$	160					$	113		$	22		$	135