Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Investments (Write-downs of Loans by Origination Year) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year				$ 0
One Years Prior				0
Two Years Prior				13
Three Years Prior				117
Four Years Prior				1
Prior				19
Write-downs of loans by origination year	$ 0	$ 150	$ 0	150
Agricultural property loans
Financing Receivable, Credit Quality Indicator [Line Items]
Current Fiscal Year				0
One Years Prior				0
Two Years Prior				13
Three Years Prior				117
Four Years Prior				1
Prior				19
Write-downs of loans by origination year				$ 150