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Supplementary Insurance Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | $ 4,617 | $ 4,128 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 71,504 | 66,031 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 2,730 | 2,480 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 15,085 | 13,078 | $ 12,513
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 3,591 | 3,161 | 3,138
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 14,674 | 12,955 | 12,940
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 348 | 337 | 287
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 2,395 | 2,207 | 2,113
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 249 | 247 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | (10) | 10 | (58)
Life Insurance Product Line [Member] | Americas [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 2,191 | 2,087 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 14,875 | 13,321 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 909 | 829 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 7,023 | 6,590 | 6,244
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 778 | 900 | 889
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 6,578 | 6,464 | 6,154
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 145 | 144 | 123
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 782 | 762 | 747
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Life Insurance Product Line [Member] | Canada Segment Reporting Information [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 173 | 171 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 4,776 | 4,262 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 373 | 303 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 1,215 | 1,219 | 1,194
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 246 | 250 | 259
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 1,153 | 1,127 | 1,082
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 12 | 17 | 13
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 218 | 227 | 242
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Life Insurance Product Line [Member] | EMEA [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 347 | 294 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 2,542 | 2,159 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 670 | 661 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 1,775 | 1,736 | 1,738
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 91 | 76 | 75
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 1,670 | 1,571 | 1,744
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 50 | 38 | 24
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 167 | 163 | 192
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Life Insurance Product Line [Member] | Asia Pacific [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 1,098 | 1,043 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 4,255 | 4,058 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 577 | 534 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 2,785 | 2,650 | 2,624
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 242 | 199 | 186
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 2,284 | 2,292 | 2,553
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 59 | 67 | 55
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 335 | 329 | 301
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Insurance, Other [Member] | Americas [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 552 | 341 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 24,258 | 24,150 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 25 | 33 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 1,521 | 66 | 55
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 1,151 | 1,059 | 1,070
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 2,176 | 663 | 744
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 48 | 58 | 64
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 240 | 170 | 143
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 249 | 247 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | (10) | 10 | (58)
Insurance, Other [Member] | Canada Segment Reporting Information [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 0 | 0 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 31 | 55 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 5 | 6 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 90 | 95 | 90
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 4 | 5 | 4
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 48 | 74 | 108
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 0 | 0 | 0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 6 | 5 | 8
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Insurance, Other [Member] | EMEA [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 0 | 0 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 5,490 | 4,676 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 163 | 104 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 458 | 486 | 350
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 209 | 151 | 207
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 273 | 383 | 304
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 0 | 0 | 0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 65 | 61 | 55
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Insurance, Other [Member] | Asia Pacific [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 250 | 188 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 13,288 | 11,761 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 2 | 4 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 218 | 236 | 218
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 486 | 270 | 138
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 431 | 349 | 247
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 33 | 13 | 8
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 73 | 67 | 62
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | 0 | 0 | 0
Corporate And Other Segment Reporting Information [Member] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items] |  |  |  |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost |  | 6 | 4 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense |  | 1,989 | 1,589 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable |  | 6 | 6 |
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue |  | 0 | 0 | 0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income |  | 384 | 251 | 310
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses |  | 61 | 32 | 4
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost |  | 1 | 0 | 0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense | [1] | 509 | 423 | 363
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium |  | 0 | 0 |
Supplementary Insurance Information Market Risk Benefits Remeasurement Gains Losses |  | $ 0 | $ 0 | $ 0
[1] | Includes policy acquisition costs and other insurance expenses (excluding amortization of DAC), other operating expenses and interest expense

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