The amount of the variable interest entity's revenues consolidated into the statement of income, including interest income, net realized and unrealized gains (losses) on assets, and other income, net of the amount of the variable interest entity's expenses consolidated into the statement of income, including interest expense, net realized and unrealized gains (losses) on liabilities with and without recourse, and other expenses.

No definition available.

Variable Interest Entities - Narrative (Details)	3 Months Ended		9 Months Ended
Variable Interest Entities - Narrative (Details)	Sep. 30, 2019 USD ($) policy Entity	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) policy Entity	Sep. 30, 2018 USD ($) Entity	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($) policy Entity	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Variable Interest Entity [Line Items]
Effect on shareholders' equity (decrease) increase	$ 6,652,000,000	$ 6,583,000,000	$ 6,652,000,000	$ 6,583,000,000	$ 6,722,000,000	$ 6,555,000,000	$ 6,634,000,000	$ 6,839,000,000
Net fair value gains and losses on FG VIEs are expected to reverse to zero at maturity of the VIE debt	0		0
Fair value gains (losses) on FG VIEs	4,000,000	5,000,000	42,000,000	11,000,000
Variable Interest Entity, Other Consolidated [Abstract]
Other consolidated VIE assets	91,000,000		91,000,000			87,000,000
Other consolidated VIE liabilities	$ 9,000,000		$ 9,000,000			$ 21,000,000
Number of Policies Monitored \| policy	18,000		18,000
Number of Policies Monitored, Not Within the Scope of ASC 810 \| policy	15,000		15,000
Number of Policies that Contain Provisions for Consolidation \| policy	96		96			110
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Effect on shareholders' equity (decrease) increase	$ 4,000,000		$ 4,000,000			$ 1,000,000
Fair value gains (losses) on FG VIEs	$ 4,000,000	5,000,000	$ 42,000,000	$ 11,000,000
Variable Interest Entity, Other Consolidated [Abstract]
Number of Entities Consolidated \| Entity	28		28			31
Number of Entities Deconsolidated \| Entity			2	1
FG VIE matured, number \| Entity			2
FG VIE consolidated, number \| Entity			1
Residential Mortgage Backed Securities and Other Insurance Products [Member] \| Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Change in the instrument specific credit risk of the VIEs' assets	$ 7,000,000	$ 1,000,000	$ 42,000,000	$ 4,000,000