Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities (Balances by product) (Details) - USD ($) $ in Millions		Sep. 30, 2020	Dec. 31, 2019
Policyholder account balances		$ 20,470	$ 19,793
Future policy benefits		13,364	10,553
Policy claims and other policyholders’ funds		178	158
Total policyholder account balances, future policy benefits and claims		34,012	30,504
Fixed annuities [Member]
Policyholder account balances	[1]	8,623	8,909
Variable annuity fixed sub-accounts [Member]
Policyholder account balances		5,105	5,103
UL/VUL insurance [Member]
Policyholder account balances		3,117	3,110
IUL [Member]
Policyholder account balances		2,189	2,025
Structured Variable Annuities [Member]
Policyholder account balances		820	0
Other life Insurance [Member]
Policyholder account balances		616	646
Variable annuity GMWB [Member]
Future policy benefits		3,681	1,462
Variable annuity GMAB [Member]
Future policy benefits	[2]	24	(39)
Other annuity liabilities [Member]
Future policy benefits		183	139
Fixed annuity life contingent liabilities [Member]
Future policy benefits		1,389	1,444
Life and disability income insurance [Member]
Future policy benefits		1,191	1,212
Long term care insurance [Member]
Future policy benefits		5,668	5,302
UL/VUL and other life insurance additional liabilities [Member]
Future policy benefits		$ 1,228	$ 1,033

[1] Includes fixed deferred annuities, non-life contingent fixed payout annuities and fixed deferred indexed annuity host contracts.

[2] Includes the fair value of GMAB embedded derivatives that was a net asset as of December 31, 2019 reported as a contra liability.