Represents the portion of other investments categorized as bank loans, as of the balance sheet date.

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The liability to return cash and securities received as collateral in conjunction with securities lending and over-the-counter derivatives.

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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Fair Value of Assets and Liabilities - Carrying values and fair value estimates (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financial assets
Mortgage loans, net	$ 821	$ 746
Assets held for sale	0	42,131
Financial liabilities
Long-term debt	7,976	7,825
Liability for collateral	1,444	914	$ 1,298	$ 933
Liabilities held for sale	0	33,325
Significant unobservable inputs (Level 3) \| Amortized cost, net
Financial assets
Mortgage loans, net	821	746
Bank loans	1,574	772
Assets held for sale	0	4,206
Financial liabilities
Contractholder funds on investment contracts	55	0
Liabilities held for sale	0	8,130
Significant unobservable inputs (Level 3) \| Fair value
Financial assets
Mortgage loans, net	853	792
Bank loans	1,634	803
Assets held for sale	0	4,440
Financial liabilities
Contractholder funds on investment contracts	55	0
Liabilities held for sale	0	9,424
Significant other observable inputs (Level 2) \| Amortized cost, net
Financial liabilities
Long-term debt	7,976	7,825
Liability for collateral	1,444	914
Significant other observable inputs (Level 2) \| Fair value
Financial liabilities
Long-term debt	9,150	9,489
Liability for collateral	$ 1,444	$ 914