Fair Value - Schedule of Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets – Asset Management	$ 419,665	$ 386,597
Debt	13,119	13,088
NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets – Asset Management	27,275	23,920
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets – Asset Management	52,545	38,663
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets – Asset Management	172,984	171,899
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets – Asset Management	166,861	152,115
Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	105	33
Other investments	1,911	1,818
Total Assets – Asset Management	409,371	378,105
Debt	7,273	7,498
Retirement Services \| VIE, Primary Beneficiary
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	26,798	23,888
Retirement Services \| NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	0	0
Other investments	0	0
Total Assets – Asset Management	26,486	23,602
Retirement Services \| NAV \| VIE, Primary Beneficiary
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	26,486	23,602
Retirement Services \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	100	0
Other investments	0	0
Total Assets – Asset Management	47,599	34,734
Retirement Services \| Level 1 \| VIE, Primary Beneficiary
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	22	0
Retirement Services \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	4	33
Other investments	1,256	1,057
Total Assets – Asset Management	172,730	171,812
Retirement Services \| Level 2 \| VIE, Primary Beneficiary
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Retirement Services \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	1	0
Other investments	655	761
Total Assets – Asset Management	162,556	147,957
Retirement Services \| Level 3 \| VIE, Primary Beneficiary
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	290	286
Due to related parties \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	2,311	1,318
Other investments	333	344
Due to related parties \| Retirement Services \| NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Other investments	0	0
Due to related parties \| Retirement Services \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Other investments	0	0
Due to related parties \| Retirement Services \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Other investments	0	0
Due to related parties \| Retirement Services \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	2,311	1,318
Other investments	333	344
Carrying Value \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Policy loans	293	301
Short-term investments		1,049
Other investments		57
Total Assets – Asset Management	22,028	24,757
Interest sensitive contract liabilities	283,553	257,022
Debt	7,832	7,848
Securities to repurchase	3,244	6,043
Funds withheld liability	6,814	5,946
Total financial liabilities not carried at fair value	301,443	276,859
Carrying Value \| Nonrelated Party \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	276	108
Funds withheld at interest	16,191	17,822
Short-term investments	125
Other investments	57
Carrying Value \| Due to related parties \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	919	831
Funds withheld at interest	4,149	4,571
Short-term investments	18	18
Fair Value \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Policy loans	293	301
Short-term investments		1,049
Other investments		67
Total Assets – Asset Management	22,018	24,767
Interest sensitive contract liabilities	276,856	254,089
Debt	7,273	7,498
Securities to repurchase	3,244	6,043
Funds withheld liability	6,814	5,946
Total financial liabilities not carried at fair value	294,187	273,576
Fair Value \| Retirement Services \| NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Policy loans	0	0
Short-term investments		0
Other investments		0
Total Assets – Asset Management	1,195	939
Interest sensitive contract liabilities	0	0
Debt	0	0
Securities to repurchase	0	0
Funds withheld liability	0	0
Total financial liabilities not carried at fair value	0	0
Fair Value \| Retirement Services \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Policy loans	0	0
Short-term investments		0
Other investments		0
Total Assets – Asset Management	0	0
Interest sensitive contract liabilities	0	0
Debt	564	576
Securities to repurchase	0	0
Funds withheld liability	0	0
Total financial liabilities not carried at fair value	564	576
Fair Value \| Retirement Services \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Policy loans	293	301
Short-term investments		907
Other investments		0
Total Assets – Asset Management	311	1,226
Interest sensitive contract liabilities	0	0
Debt	6,709	6,922
Securities to repurchase	3,244	6,043
Funds withheld liability	0	0
Total financial liabilities not carried at fair value	9,953	12,965
Fair Value \| Retirement Services \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Policy loans	0	0
Short-term investments		142
Other investments		67
Total Assets – Asset Management	20,512	22,602
Interest sensitive contract liabilities	276,856	254,089
Debt	0	0
Securities to repurchase	0	0
Funds withheld liability	6,814	5,946
Total financial liabilities not carried at fair value	283,670	260,035
Fair Value \| Nonrelated Party \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	276	108
Funds withheld at interest	16,191	17,822
Short-term investments	125
Other investments	47
Fair Value \| Nonrelated Party \| Retirement Services \| NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	276	108
Funds withheld at interest	0	0
Short-term investments	0
Other investments	0
Fair Value \| Nonrelated Party \| Retirement Services \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Funds withheld at interest	0	0
Short-term investments	0
Other investments	0
Fair Value \| Nonrelated Party \| Retirement Services \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Funds withheld at interest	0	0
Short-term investments	0
Other investments	0
Fair Value \| Nonrelated Party \| Retirement Services \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Funds withheld at interest	16,191	17,822
Short-term investments	125
Other investments	47
Fair Value \| Due to related parties \| Retirement Services
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	919	831
Funds withheld at interest	4,149	4,571
Short-term investments	18	18
Fair Value \| Due to related parties \| Retirement Services \| NAV
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	919	831
Funds withheld at interest	0	0
Short-term investments	0	0
Fair Value \| Due to related parties \| Retirement Services \| Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Funds withheld at interest	0	0
Short-term investments	0	0
Fair Value \| Due to related parties \| Retirement Services \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Funds withheld at interest	0	0
Short-term investments	18	18
Fair Value \| Due to related parties \| Retirement Services \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment funds	0	0
Funds withheld at interest	4,149	4,571
Short-term investments	$ 0	$ 0

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Fair value portion of asset recognized for present right to economic benefit.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder.

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Fair value portion of liability related to investment contracts for example, but not limited to, guaranteed investment contract or annuities.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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