Reinsurance (Effects of Affiliated Reinsurance on Balance Sheets) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets
Premiums, reinsurance and other receivables	$ 14,287	$ 13,113
Deferred policy acquisition costs and value of business acquired	4,809	5,086	$ 5,623
Liabilities:
Policyholder account balances	45,121	39,330
Other Policyholder Funds	2,801	2,728
Assumed
Assets
Premiums, reinsurance and other receivables	39	60
Liabilities:
Policyholder account balances	3,059	1,744
Other Policyholder Funds	1,675	1,677
Reinsurance Recoverables, Gross	(21)	(38)
Assumed \| Affiliated Entity
Assets
Premiums, reinsurance and other receivables	26	21
Liabilities:
Policyholder account balances	443	386
Other Policyholder Funds	11	14
Ceded
Assets
Premiums, reinsurance and other receivables	13,828	12,669
Liabilities:
Policyholder account balances	0	0
Other Policyholder Funds	0	0
Ceded \| Affiliated Entity
Assets
Premiums, reinsurance and other receivables	0	0
Liabilities:
Policyholder account balances	0	0
Other Policyholder Funds	0	0
Reinsurance Recoverables, Gross	$ 0	$ 0

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Amount, after accumulated amortization, of deferred policy acquisition costs and present value of future profits from insurance contract acquired in business combination.

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Amount due to policyholders for funds held that are returnable under the terms of insurance contracts, classified as other.

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Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity.

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Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of all premiums and other types of receivables due from other persons or entities.

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Amount before valuation allowance recoverable under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

+ References

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