Label	Element	Value
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	$ 12,000,000
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	23,000,000
U.S. Corporate Public Securities [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	1,000,000
Foreign Corporate Private Securities [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	1,000,000
Foreign Corporate Public Securities and Foreign Governments [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	3,000,000
Commercial Mortgage-Backed Securities [Member]
Financing Receivable, Allowance for Credit Loss	us-gaap_FinancingReceivableAllowanceForCreditLosses	$ 7,000,000