Variable Interest Entities (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Variable Interest Entity [Line Items]
Mortgage loans, net of allowances					$ 24,148
Investment funds	$ 11,165		$ 11,165		9,866
Other assets (related party: 2022 – $83 and 2021 – $0)	8,947		8,947		1,257
Investment revenue	(1,915)	$ (2,159)	(3,789)	$ (3,976)
Investment expenses	189	142	380	290
Net Investment Income	1,726	2,017	3,409	3,686
Provision for Loan, Lease, and Other Losses	(172)	2	(364)	60
Other gains	487	0	807	80
Gain (Loss) on Investments	(5,763)	2,592	(9,963)	2,170
Other Cost and Expense, Operating	358	252	693	545
Mortgage loans
Variable Interest Entity [Line Items]
Gain (Loss) on Investments	(1,099)	0	(1,895)	0
Mortgage loans
Variable Interest Entity [Line Items]
Investment revenue	(297)	(189)	(534)	(367)
Investment funds
Variable Interest Entity [Line Items]
Investment revenue	(104)	(701)	(408)	(1,143)
Other
Variable Interest Entity [Line Items]
Investment revenue	(48)	(95)	(90)	(159)
Variable Interest Entities
Variable Interest Entity [Line Items]
Mortgage loans, net of allowances	1,992		1,992		2,040
Investment funds	9,494		9,494		1,297
Other assets (related party: 2022 – $83 and 2021 – $0)	66		66		$ 32
Net Investment Income	30	21	47	56
Provision for Loan, Lease, and Other Losses	0	18	0	(48)
Other gains	21	0	21	0
Gain (Loss) on Investments	22	18	(20)	(48)
Variable Interest Entities \| Mortgage loans
Variable Interest Entity [Line Items]
Gain (Loss) on Investments	(47)	0	(159)	0
Variable Interest Entities \| Investment funds
Variable Interest Entity [Line Items]
Gain (Loss) on Investments	48	0	118	0
Variable Interest Entities \| Mortgage loans
Variable Interest Entity [Line Items]
Investment revenue	(23)	(14)	(43)	(28)
Variable Interest Entities \| Investment funds
Variable Interest Entity [Line Items]
Investment revenue		(7)		(28)
Investment expenses	6		9
Variable Interest Entities \| Other
Variable Interest Entity [Line Items]
Investment revenue	$ (13)	$ 0	$ (13)	$ 0

Other investments including, but not limited to: partnership interests, credit funds, hedge funds, and private equity.

No definition available.

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Amount of realized and unrealized gain (loss) on investment.

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Amount of gain (loss) included in earnings for investments classified as other.

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Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Amount of expenses related to the generation of investment income.

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- Definition

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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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Amount of assets classified as other.

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The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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