Derivatives (Primary Risks) (Details) - USD ($)
$ in Millions |
3 Months Ended |
|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
$ 259,451
|
|
$ 251,076
|
| Estimated Fair Value Assets |
7,665
|
|
7,045
|
| Estimated Fair Value Liabilities |
6,993
|
|
7,548
|
| Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net |
4
|
$ 12
|
|
| Accumulated Other Comprehensive Income Loss |
(1,400)
|
|
(2,100)
|
| Cash Flow Hedges [Member] |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Gain (Loss) on Derivative, Net |
0
|
0
|
|
| Cash Flow Hedges [Member] | Foreign currency swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Gain (Loss) on Derivative, Net |
0
|
0
|
|
| Cash Flow Hedges [Member] | Interest rate contracts |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Gain (Loss) on Derivative, Net |
0
|
0
|
|
| Not Designated as Hedging Instrument, Economic Hedge | Derivative Contract [Domain] |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Gain (Loss) on Derivative, Net |
31
|
65
|
|
| Derivatives Designated as Hedging Instruments: |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
67,661
|
|
66,071
|
| Estimated Fair Value Assets |
3,838
|
|
3,626
|
| Estimated Fair Value Liabilities |
3,933
|
|
4,238
|
| Derivatives Designated as Hedging Instruments: | Fair Value Hedges [Member] |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
8,103
|
|
6,531
|
| Estimated Fair Value Assets |
999
|
|
956
|
| Estimated Fair Value Liabilities |
699
|
|
728
|
| Derivatives Designated as Hedging Instruments: | Fair Value Hedges [Member] | Interest rate swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
4,761
|
|
4,924
|
| Estimated Fair Value Assets |
924
|
|
923
|
| Estimated Fair Value Liabilities |
684
|
|
706
|
| Derivatives Designated as Hedging Instruments: | Fair Value Hedges [Member] | Foreign currency swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
3,342
|
|
1,607
|
| Estimated Fair Value Assets |
75
|
|
33
|
| Estimated Fair Value Liabilities |
15
|
|
22
|
| Derivatives Designated as Hedging Instruments: | Cash Flow Hedges [Member] |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
55,295
|
|
55,488
|
| Estimated Fair Value Assets |
2,493
|
|
2,374
|
| Estimated Fair Value Liabilities |
3,231
|
|
3,500
|
| Derivatives Designated as Hedging Instruments: | Cash Flow Hedges [Member] | Interest rate swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
3,773
|
|
4,002
|
| Estimated Fair Value Assets |
1
|
|
0
|
| Estimated Fair Value Liabilities |
248
|
|
267
|
| Derivatives Designated as Hedging Instruments: | Cash Flow Hedges [Member] | Interest rate forwards |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
4,085
|
|
4,389
|
| Estimated Fair Value Assets |
2
|
|
16
|
| Estimated Fair Value Liabilities |
1,030
|
|
1,049
|
| Derivatives Designated as Hedging Instruments: | Cash Flow Hedges [Member] | Foreign currency swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
47,437
|
|
47,097
|
| Estimated Fair Value Assets |
2,490
|
|
2,358
|
| Estimated Fair Value Liabilities |
1,953
|
|
2,184
|
| Derivatives Designated as Hedging Instruments: | Foreign Operations Hedges [Member] |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
4,263
|
|
4,052
|
| Estimated Fair Value Assets |
346
|
|
296
|
| Estimated Fair Value Liabilities |
3
|
|
10
|
| Derivatives Designated as Hedging Instruments: | Foreign Operations Hedges [Member] | Foreign currency forwards |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
1,263
|
|
1,052
|
| Estimated Fair Value Assets |
48
|
|
32
|
| Estimated Fair Value Liabilities |
3
|
|
10
|
| Derivatives Designated as Hedging Instruments: | Foreign Operations Hedges [Member] | Currency options |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
3,000
|
|
3,000
|
| Estimated Fair Value Assets |
298
|
|
264
|
| Estimated Fair Value Liabilities |
0
|
|
0
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
191,790
|
|
185,005
|
| Estimated Fair Value Assets |
3,827
|
|
3,419
|
| Estimated Fair Value Liabilities |
3,060
|
|
3,310
|
| Derivative, Gain (Loss) on Derivative, Net |
(253)
|
$ 335
|
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Interest rate swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
25,514
|
|
24,623
|
| Estimated Fair Value Assets |
1,420
|
|
1,409
|
| Estimated Fair Value Liabilities |
1,503
|
|
1,434
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Interest rate forwards |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
1,958
|
|
2,731
|
| Estimated Fair Value Assets |
0
|
|
16
|
| Estimated Fair Value Liabilities |
231
|
|
176
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Interest rate floors |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
6,140
|
|
5,640
|
| Estimated Fair Value Assets |
45
|
|
34
|
| Estimated Fair Value Liabilities |
0
|
|
0
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Interest rate caps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
14,898
|
|
14,898
|
| Estimated Fair Value Assets |
69
|
|
48
|
| Estimated Fair Value Liabilities |
1
|
|
1
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Interest rate futures |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
1,703
|
|
1,679
|
| Estimated Fair Value Assets |
2
|
|
1
|
| Estimated Fair Value Liabilities |
3
|
|
3
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Interest rate options |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
22,704
|
|
23,820
|
| Estimated Fair Value Assets |
160
|
|
155
|
| Estimated Fair Value Liabilities |
105
|
|
130
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Synthetic GICs |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
52,257
|
|
52,664
|
| Estimated Fair Value Assets |
0
|
|
0
|
| Estimated Fair Value Liabilities |
0
|
|
0
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Foreign currency swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
10,798
|
|
10,210
|
| Estimated Fair Value Assets |
1,241
|
|
1,167
|
| Estimated Fair Value Liabilities |
134
|
|
175
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Foreign currency forwards |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
15,893
|
|
15,694
|
| Estimated Fair Value Assets |
110
|
|
85
|
| Estimated Fair Value Liabilities |
762
|
|
1,012
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Currency futures |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
287
|
|
292
|
| Estimated Fair Value Assets |
3
|
|
0
|
| Estimated Fair Value Liabilities |
0
|
|
1
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Credit default swaps — purchased |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
2,684
|
|
2,739
|
| Estimated Fair Value Assets |
3
|
|
2
|
| Estimated Fair Value Liabilities |
50
|
|
58
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Credit default swaps — written |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
14,754
|
|
8,873
|
| Estimated Fair Value Assets |
197
|
|
153
|
| Estimated Fair Value Liabilities |
1
|
|
1
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Equity futures |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
1,129
|
|
1,380
|
| Estimated Fair Value Assets |
23
|
|
5
|
| Estimated Fair Value Liabilities |
12
|
|
2
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Equity index options |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
17,639
|
|
16,253
|
| Estimated Fair Value Assets |
450
|
|
337
|
| Estimated Fair Value Liabilities |
257
|
|
281
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Equity variance swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
96
|
|
96
|
| Estimated Fair Value Assets |
0
|
|
0
|
| Estimated Fair Value Liabilities |
1
|
|
2
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Equity total return swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
2,336
|
|
2,413
|
| Estimated Fair Value Assets |
104
|
|
7
|
| Estimated Fair Value Liabilities |
0
|
|
34
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Longevity Swaps |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
1,000
|
|
1,000
|
| Derivative Liability, Not Subject to Master Netting Arrangement |
0
|
|
0
|
| Derivative Asset, Not Subject to Master Netting Arrangement |
0
|
|
0
|
| Derivatives Not Designated or Not Qualifying as Hedging Instruments: | Derivatives hedging MRBs |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
11,477
|
|
11,622
|
| Estimated Fair Value Assets |
210
|
|
164
|
| Estimated Fair Value Liabilities |
626
|
|
637
|
| Not Designated as Hedging Instrument, Economic Hedge | Interest rate contracts |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
8,503
|
|
8,450
|
| Estimated Fair Value Assets |
11
|
|
10
|
| Estimated Fair Value Liabilities |
535
|
|
524
|
| Not Designated as Hedging Instrument, Economic Hedge | Foreign currency exchange rate |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
255
|
|
328
|
| Estimated Fair Value Assets |
1
|
|
2
|
| Estimated Fair Value Liabilities |
2
|
|
9
|
| Not Designated as Hedging Instrument, Economic Hedge | Equity |
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
|
| Derivative, Notional Amount |
2,719
|
|
2,844
|
| Estimated Fair Value Assets |
198
|
|
152
|
| Estimated Fair Value Liabilities |
$ 89
|
|
$ 104
|