Equity - Statutory Results (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statutory Accounting Practices [Line Items]
Statutory Net Income	$ 1,904	$ 1,700	$ 253
Statutory Capital	12,852	9,842
Group Insurance Policy [Member]
Statutory Accounting Practices [Line Items]
Statutory Net Income	513	390	(1,066)
Statutory Capital	2,644	2,407
Property and Casualty Insurance Subsidiaries
Statutory Accounting Practices [Line Items]
Statutory Net Income	1,391	1,114	950
Statutory Capital	10,208	7,435
Life and Annuity Run-Off Business
Statutory Accounting Practices [Line Items]
Statutory Net Income	$ 0	$ 196	$ 369