v3.26.1
Debt - Schedule of Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]      
Outstanding Balance $ 14,220   $ 13,364
Fair Value 13,466   13,088
Asset Management      
Debt Instrument [Line Items]      
Outstanding Balance 6,380   5,516
Fair Value 6,294   5,590
Asset Management | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance 6,260   5,516
Fair Value 6,174   5,590
Asset Management | Two Thousand Twenty Seven Subordinated Notes | Nonrecourse      
Debt Instrument [Line Items]      
Outstanding Balance 120   0
Fair Value $ 120   $ 0
Asset Management | Senior Notes | 4.40%, 2026 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 4.40%   4.40%
Asset Management | Senior Notes | 4.40%, 2026 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 500   $ 500
Fair Value $ 500   $ 500
Asset Management | Senior Notes | 4.87%, 2029 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 4.87%   4.87%
Asset Management | Senior Notes | 4.87%, 2029 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 675   $ 675
Fair Value $ 676   $ 686
Asset Management | Senior Notes | 2.65% 2030 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 2.65%   2.65%
Asset Management | Senior Notes | 2.65% 2030 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 497   $ 497
Fair Value $ 460   $ 464
Asset Management | Senior Notes | 4.60% 2031 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 4.60%   4.60%
Asset Management | Senior Notes | 4.60% 2031 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 396   $ 396
Fair Value $ 398   $ 402
Asset Management | Senior Notes | 6.38% 2033 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.38%   6.38%
Asset Management | Senior Notes | 6.38% 2033 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 493   $ 493
Fair Value $ 530   $ 550
Asset Management | Senior Notes | 5.15% 2035 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 5.15%   5.15%
Asset Management | Senior Notes | 5.15% 2035 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 839   $ 839
Fair Value $ 823   $ 853
Asset Management | Senior Notes | 5.70% 2036 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 5.70% 5.70% 5.70%
Asset Management | Senior Notes | 5.70% 2036 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 744   $ 0
Fair Value $ 752   $ 0
Asset Management | Senior Notes | 5.00%, 2048 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 5.00%   5.00%
Asset Management | Senior Notes | 5.00%, 2048 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 297   $ 297
Fair Value $ 259   $ 273
Asset Management | Senior Notes | 6.25% 2054 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 5.80%   5.80%
Asset Management | Senior Notes | 6.25% 2054 Senior Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 741   $ 741
Fair Value $ 699   $ 738
Asset Management | Subordinated Notes | 7.63% 2053 Subordinated Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 7.63%   7.63%
Asset Management | Subordinated Notes | 7.63% 2053 Subordinated Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 585   $ 585
Fair Value $ 610   $ 628
Asset Management | Subordinated Notes | 6.63% 2054 Subordinated Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.00%   6.00%
Asset Management | Subordinated Notes | 6.63% 2054 Subordinated Notes | Recourse      
Debt Instrument [Line Items]      
Outstanding Balance $ 493   $ 493
Fair Value 467   496
Retirement Services      
Debt Instrument [Line Items]      
Outstanding Balance 7,840   7,848
Fair Value $ 7,172   $ 7,498
Retirement Services | Senior Notes | 4.13% 2028 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 4.13%   4.13%
Outstanding Balance $ 1,030   $ 1,034
Fair Value $ 988   $ 999
Retirement Services | Senior Notes | 6.15% 2030 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.15%   6.15%
Outstanding Balance $ 561   $ 565
Fair Value $ 516   $ 531
Retirement Services | Senior Notes | 3.50% 2031 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 3.50%   3.50%
Outstanding Balance $ 516   $ 517
Fair Value $ 465   $ 473
Retirement Services | Senior Notes | 6.65% 2033 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.65%   6.65%
Outstanding Balance $ 396   $ 396
Fair Value $ 417   $ 434
Retirement Services | Senior Notes | 5.88% 2034 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 5.88%   5.88%
Outstanding Balance $ 586   $ 585
Fair Value $ 597   $ 623
Retirement Services | Senior Notes | 3.95% 2051 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 3.95%   3.95%
Outstanding Balance $ 543   $ 543
Fair Value $ 338   $ 351
Retirement Services | Senior Notes | 3.45% 2052 Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 3.45%   3.45%
Outstanding Balance $ 504   $ 504
Fair Value $ 305   $ 317
Retirement Services | Senior Notes | 6.25% 2054 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.25%   6.25%
Outstanding Balance $ 983   $ 983
Fair Value $ 920   $ 975
Retirement Services | Senior Notes | 6.63% 2055 Senior Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.63%   6.63%
Outstanding Balance $ 979   $ 979
Fair Value $ 965   $ 1,019
Retirement Services | Subordinated Notes | 6.63% 2054 Subordinated Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.63%   6.63%
Outstanding Balance $ 592   $ 592
Fair Value $ 554   $ 600
Retirement Services | Subordinated Notes | 6.88% 2055 Subordinated Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 6.88%   6.88%
Outstanding Balance $ 592   $ 592
Fair Value $ 561   $ 600
Retirement Services | Subordinated Notes | 7.25% 2064 Subordinated Notes      
Debt Instrument [Line Items]      
Weighted Average Interest Rate 7.25%   7.25%
Outstanding Balance $ 558   $ 558
Fair Value $ 546   $ 576