Long-Duration Contracts (Tables)

12 Months Ended

Dec. 31, 2018

Insurance [Abstract]

Summary of Information Regarding Variable Annuity Contracts with Guarantees Invested in General and Separate Accounts

The following table summarizes information regarding variable annuity contracts with GMDB and GLWB invested in general and separate accounts, as of the dates indicated (a contract may contain multiple guarantees):

	December 31, 2018								December 31, 2017
(in millions)	General account value		Separate account value		Net amount at risk1		Average age2		General account value		Separate account value		Net amount at risk1		Average age2
Contracts with GMDB:
Return of net deposits	$	793	$	30,276	$	228		67	$	842	$	32,313	$	16		67
Minimum return or anniversary contract value		1,660		28,473		2,164		72		1,764		33,337		347		71
Total contracts with GMDB	$	2,453	$	58,749	$	2,392		70	$	2,606	$	65,650	$	363		69
Total contracts with GLWB:
(Minimum return or anniversary contract value)	$	63	$	35,499	$	330		68	$	84	$	39,183	$	104		68

¹  Net amount at risk is calculated on a policy-level basis and equals the respective guaranteed benefit less the account value (or zero if the account value exceeds the guaranteed benefit).

²  Represents the weighted average attained age of contractholders at the respective date.

Summary of Reserve Balances for Variable Annuity Contracts with Guarantees

The following table summarizes the reserve balances for the primary guarantees on variable annuity contracts, as of the dates indicated:

	December 31,
(in millions)	2018		2017
GMDB	$	223	$	164
GLWB	$	554	$	300

Summary of Account Balances of Deferred Variable Annuity

The following table summarizes the account balances of variable annuity contracts with guarantees invested in separate accounts, as of the dates indicated:

	December 31,
(in millions)	2018		2017
Mutual funds:
Bond	$	6,876	$	7,167
Domestic equity		47,554		53,617
International equity		3,235		3,874
Total mutual funds	$	57,665	$	64,658
Money market funds		1,084		992
Total1	$	58,749	$	65,650

1 Excludes $38.3 billion and $40.0 billion as of December 31, 2018 and 2017, respectively, of separate account assets not related to variable annuity contracts with guarantees, primarily attributable to retirement plan, variable universal life and COLI products.

Summary of Information Regarding Universal and Variable Universal Life Insurance Contracts with No Lapse Guarantees Invested in General and Separate Accounts

The following table summarizes information regarding universal and variable universal life insurance contracts with no-lapse guarantees invested in general and separate accounts, as of the dates indicated:

(in millions)	General account value		Separate account value		Adjusted insurance in force1		Average age2
December 31, 2018	$	4,290	$	2,021	$	68,466		50
December 31, 2017	$	3,637	$	2,350	$	61,489		51

1 The adjusted insurance in force is calculated on a policy-level basis and equals the respective guaranteed death benefit less the account value and reinsurance.

2 Represents the weighted average attained age of contractholders at the respective date.