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Accounting Changes and Error Corrections (Future Policy Benefits) (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2021 | Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  | $ 38,239 |  | $ 37,028 |  | $ 35,689 |  |  |
Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (5,424) |  | (1,668) |  | 74,207 | $ 73,447 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (83) | (250) |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 74,921 |  | 73,971 |  | 74,124 | 73,197 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance |  | 1,653 | [1] | 1,567 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income |  | 1,710 | [3] | 1,695 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected |  | (2,534) | [4] | (2,488) | [3] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition |  | (35) |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | 3 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 69,497 |  | 72,303 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (6,721) |  | (2,193) |  | 85,285 | 84,075 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 79,289 |  | 82,447 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (49) | (153) |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 86,010 |  | 84,640 |  | 85,236 | 83,922 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance |  | 1,653 | [5] | 1,571 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense |  | 1,972 | [4] | 1,945 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment |  | (2,801) |  | (2,798) | [5] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition |  | (54) |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | 4 |  | 0 |  |  |  |  |
Future policy benefits |  | 9,792 |  | 10,144 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | (407) |  | (482) |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 9,385 |  | 9,662 |  |  |  |  |
Life Insurance Product Line [Member] | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (4,436) |  | (4,736) |  | 21,330 | 21,989 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | 347 | (327) |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 22,319 |  | 21,552 |  | 21,677 | 21,662 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance |  | 240 | [1] | 400 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income |  | 370 | [3] | 379 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected |  | (466) | [4] | (485) | [3] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition |  | 0 |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | 498 |  | (404) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 17,883 |  | 16,816 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (3,626) |  | (4,050) |  | 24,655 | 25,440 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 22,163 |  | 20,933 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | 347 | (310) |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 25,789 |  | 24,983 |  | 25,002 | 25,130 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance |  | 240 | [5] | 400 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense |  | 474 | [4] | 489 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment |  | (507) |  | (571) | [5] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition |  | 0 |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | 580 |  | (465) |  |  |  |  |
Future policy benefits |  | 4,280 |  | 4,117 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | (285) |  | (279) |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 3,995 |  | 3,838 |  |  |  |  |
Life Insurance Product Line [Member] | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (3,427) |  | (1,574) |  | 14,244 | 14,440 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (51) | 215 |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 14,795 |  | 13,442 |  | 14,193 | 14,655 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance |  | 610 | [1] | 515 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income |  | 243 | [3] | 250 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected |  | (696) | [4] | (679) | [3] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition |  | 0 |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | 445 |  | (1,299) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 11,368 |  | 11,868 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (3,669) |  | (1,651) |  | 15,454 | 15,664 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 12,416 |  | 12,948 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (44) | 226 |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 16,085 |  | 14,599 |  | 15,410 | 15,890 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance |  | 610 | [5] | 516 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense |  | 259 | [4] | 266 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment |  | (682) |  | (669) | [5] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition |  | 0 |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | 488 |  | (1,404) |  |  |  |  |
Future policy benefits |  | 1,048 |  | 1,080 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | (36) |  | (30) |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 1,012 |  | 1,050 |  |  |  |  |
Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (10,296) |  | (9,770) |  | 40,506 | 37,943 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | (8) | 58 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | 50 | (847) |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 40,416 |  | 36,919 |  | 40,548 | 37,154 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance |  | 1,264 | [1] | 2,145 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income |  | 515 | [3] | 479 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected |  | (997) | [4] | (967) | [3] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition |  | 0 |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | (914) |  | (1,892) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 30,120 |  | 27,149 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (12,197) |  | (11,532) |  | 44,785 | 41,971 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 32,586 |  | 29,354 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | (8) | 35 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | 27 | (798) |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 44,783 |  | 40,886 |  | 44,804 | 41,208 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance |  | 1,264 | [5] | 2,085 | [2] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense |  | 588 | [4] | 545 | [1] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment |  | (894) |  | (917) | [5] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition |  | 0 |  | 0 | [4] |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | (979) |  | (2,035) |  |  |  |  |
Future policy benefits |  | 2,466 |  | 2,205 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | (99) |  | (98) |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 2,367 |  | 2,107 |  |  |  |  |
Insurance, Other | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (255) |  | (82) |  | 1,671 | 228 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (18) | (6) |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 1,601 |  | 209 |  | 1,653 | 222 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [2] | 146 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [1] | 26 |  | 1 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [3] | (225) |  | (14) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | 1 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 1,346 |  | 127 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (551) |  | (246) |  | 5,823 | 4,628 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 5,231 |  | 4,233 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (23) | (27) |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 5,782 |  | 4,479 |  | 5,800 | 4,601 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [2] | 154 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [1] | 114 |  | 93 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [5] | (270) |  | (215) |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | (16) |  | 0 |  |  |  |  |
Future policy benefits |  | 3,885 |  | 4,106 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 3,885 |  | 4,106 |  |  |  |  |
Insurance, Other | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (356) |  | (419) |  | 3,394 | 3,329 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (3) | (7) |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 3,354 |  | 3,710 |  | 3,391 | 3,322 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [2] | 0 |  | 581 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [1] | 54 |  | 56 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [3] | (168) |  | (181) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | 77 |  | (68) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 2,998 |  | 3,291 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (354) |  | (415) |  | 3,447 | 3,393 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 3,051 |  | 3,353 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (10) | (14) |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 3,405 |  | 3,768 |  | 3,437 | 3,379 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [2] | 0 |  | 581 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [1] | 55 |  | 58 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [5] | (166) |  | (180) |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | 79 |  | (70) |  |  |  |  |
Future policy benefits |  | 53 |  | 62 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 53 |  | 62 |  |  |  |  |
Insurance, Other | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | (10,656) |  | (6,867) |  | 38,782 | 31,973 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 1 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | 200 | 366 |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 43,827 |  | 38,226 |  | 38,983 | 32,339 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [2] | 4,929 |  | 10,932 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [1] | 428 |  | 358 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [3] | (2,186) |  | (1,542) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | 1,673 |  | (3,861) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 33,171 |  | 31,359 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (11,829) |  | (7,448) |  | 44,330 | 38,196 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 38,281 |  | 36,272 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 1 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | 186 | 354 |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 50,110 |  | 43,720 |  | 44,517 | 38,550 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [2] | 4,929 |  | 10,932 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [1] | 508 |  | 441 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [5] | (1,782) |  | (1,734) |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | 1,938 |  | (4,469) |  |  |  |  |
Future policy benefits |  | 5,110 |  | 4,913 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | 5,110 |  | 4,913 |  |  |  |  |
Insurance, Other | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  | 82 |  | 131 |  | 1,605 | 1,051 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (3) | 98 |  |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 2,085 |  | 1,547 |  | 1,602 | 1,149 |  |
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [2] | 2,163 |  | 1,326 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [1] | 12 |  | 13 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [3] | (1,528) |  | (681) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  | (164) |  | (260) |  |  |  |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  | 2,167 |  | 1,678 |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  | (209) |  | (97) |  | 6,561 | 6,062 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  | 7,778 |  | 6,254 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  | (4) | 98 |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  | 7,987 |  | 6,351 |  | 6,557 | 6,160 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [2] | 2,209 |  | 1,326 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [1] | 39 |  | 36 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [5] | (132) |  | (111) |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [4] | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  | (686) |  | (1,060) |  |  |  |  |
Future policy benefits |  | 5,611 |  | 4,576 |  |  |  |  |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  | 0 |  | 0 |  |  |  |  |
Liability for Future Policy Benefit, after Reinsurance |  | $ 5,611 |  | $ 4,576 |  |  |  |  |
Accounting Standards Update 2018-12 |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  |  |  |  |  | 35,689 | 47,449 |  |
Accounting Standards Update 2018-12 | Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (6,303) | 15,771 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | (805) |  | $ 984
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | (4) |  | 254
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 72,638 |  | 71,555
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 3,329 | 3,522 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 3,423 | 3,400 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (5,182) | (5,025) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (1) | (5) |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 67,904 | 89,218 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 85,285 | 84,075 |  | 81,172
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (7,907) | 19,185 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 77,378 | 103,260 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | (675) |  | 1,021
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 85 |  | 517
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 83,485 |  | 82,710
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 3,333 | 3,537 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 3,940 | 3,916 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (5,472) | (6,083) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (1) | (5) |  |
Future policy benefits |  |  |  |  |  | 9,474 | 14,042 | $ 17,632 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | (421) | (697) | (1,123) |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 9,053 | 13,345 | 16,509 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 74,207 | 73,447 |  | 70,317
Accounting Standards Update 2018-12 | Life Insurance Product Line [Member] | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (4,899) | (199) |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 189 |  | (45)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 212 |  | (24)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 22,390 |  | 21,230
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 635 | 761 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 748 | 775 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (950) | (947) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (1,493) | 170 |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 16,431 | 21,790 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 24,655 | 25,440 |  | 24,587
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (4,273) | 1,905 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 20,382 | 27,345 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 191 |  | (45)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 212 |  | (24)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 25,843 |  | 24,518
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 635 | 761 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 958 | 992 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (1,051) | (1,025) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (1,730) | 194 |  |
Future policy benefits |  |  |  |  |  | 3,951 | 5,555 | 6,364 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | (265) | (367) | (386) |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 3,686 | 5,188 | 5,978 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 21,330 | 21,989 |  | 21,299
Accounting Standards Update 2018-12 | Life Insurance Product Line [Member] | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (2,639) | 1,280 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 123 |  | 48
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 835 |  | 379
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 15,398 |  | 14,426
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 1,083 | 2,417 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 500 | 553 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (1,324) | (1,488) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | (1,167) |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (1,413) | (301) |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 11,605 | 15,720 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 15,454 | 15,664 |  | 15,281
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (2,808) | 1,445 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 12,646 | 17,109 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 136 |  | 42
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 813 |  | 422
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 16,613 |  | 15,745
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 1,083 | 2,436 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 530 | 598 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (1,260) | (1,609) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | (1,176) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (1,512) | (330) |  |
Future policy benefits |  |  |  |  |  | 1,041 | 1,389 | 2,670 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | (31) | (34) | (85) |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 1,010 | 1,355 | 2,585 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 14,244 | 14,440 |  | 13,999
Accounting Standards Update 2018-12 | Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (10,927) | (5,458) |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 1,604 |  | 600
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 197 |  | 402
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 39,744 |  | 35,135
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 3,663 | 4,575 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 1,032 | 970 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (1,989) | (2,038) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (1,944) | (699) |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 29,579 | 32,485 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 44,785 | 41,971 |  | 37,765
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (12,858) | (6,475) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 31,927 | 35,496 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 1,681 |  | 699
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 234 |  | 559
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 43,886 |  | 39,023
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 3,667 | 4,585 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 1,171 | 1,107 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (1,832) | (1,971) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (2,107) | (773) |  |
Future policy benefits |  |  |  |  |  | 2,348 | 3,011 | 4,419 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | (100) | (116) | (212) |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 2,248 | 2,895 | 4,207 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 40,506 | 37,943 |  | 34,133
Accounting Standards Update 2018-12 | Insurance, Other | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (284) | 28 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | (31) |  | (33)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | (22) |  | (29)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 175 |  | 252
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 1,580 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 41 | 3 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (125) | (27) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 1,387 | 256 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 5,823 | 4,628 |  | 4,951
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (617) | 575 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 5,206 | 5,203 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | (34) |  | (33)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | (46) |  | (37)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 4,548 |  | 4,881
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 1,580 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 220 | 193 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (525) | (446) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | 0 | 0 |  |
Future policy benefits |  |  |  |  |  | 3,819 | 4,947 | 5,883 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | 0 | 0 | 0 |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 3,819 | 4,947 | 5,883 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 1,671 | 228 |  | 314
Accounting Standards Update 2018-12 | Insurance, Other | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (433) | 97 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 0 |  | (30)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | (12) |  | 17
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 3,317 |  | 3,543
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 574 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 112 | 109 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (354) | (349) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (255) | 26 |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 2,961 | 3,426 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 3,447 | 3,393 |  | 3,592
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (432) | 114 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 3,015 | 3,507 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 0 |  | 6
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | (24) |  | 6
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 3,369 |  | 3,604
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 574 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 115 | 112 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (351) | (350) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (260) | 27 |  |
Future policy benefits |  |  |  |  |  | 54 | 81 | 49 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | 0 | 0 | 0 |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 54 | 81 | 49 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 3,394 | 3,329 |  | 3,556
Accounting Standards Update 2018-12 | Insurance, Other | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | (8,805) | 668 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | (126) |  | (76)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 573 |  | 997
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 32,420 |  | 28,720
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 12,594 | 8,357 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 698 | 714 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (3,169) | (3,590) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | (1,669) |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (3,761) | (559) |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 29,977 | 32,641 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 44,330 | 38,196 |  | 33,410
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (9,719) | 1,174 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 34,611 | 39,370 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | (140) |  | (76)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 566 |  | 1,000
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 38,622 |  | 34,334
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 12,594 | 8,357 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 856 | 890 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (3,355) | (3,064) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | (1,682) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (4,387) | (639) |  |
Future policy benefits |  |  |  |  |  | 4,634 | 6,729 | 6,991 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | 0 | 0 | 0 |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 4,634 | 6,729 | 6,991 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 38,782 | 31,973 |  | 27,799
Accounting Standards Update 2018-12 | Insurance, Other | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  | 25 | 247 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 3 |  | 0
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 29 |  | 777
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 1,083 |  | 1,558
Liability for Future Policy Benefit, Expected Net Premium, Issuance | [6] |  |  |  |  | 1,465 | 3,156 |  |
Liability for Future Policy Benefit, Expected Net Premium, Interest Income | [7] |  |  |  |  | 24 | 28 |  |
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected | [8] |  |  |  |  | (764) | (3,621) |  |
Liability for Future Policy Benefit, Expected Net Premium, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change |  |  |  |  |  | (203) | (70) |  |
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 1,630 | 1,298 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 6,561 | 6,062 |  | 2,653
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  | (435) | 250 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change |  |  |  |  |  | 6,126 | 6,312 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change |  |  |  |  |  |  | 3 |  | 0
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  |  |  |  |  | 36 |  | 777
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  |  |  |  |  | 6,101 |  | 3,430
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance | [6] |  |  |  |  | 1,465 | 3,156 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | [7] |  |  |  |  | 70 | 63 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | [10] |  |  |  |  | (227) | (162) |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition | [9] |  |  |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change |  |  |  |  |  | (848) | (425) |  |
Future policy benefits |  |  |  |  |  | 4,496 | 5,014 | 1,887 |
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance |  |  |  |  |  | 0 | 0 | 0 |
Liability for Future Policy Benefit, after Reinsurance |  |  |  |  |  | 4,496 | 5,014 | 1,887 |
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance |  |  |  |  |  | 1,605 | 1,051 |  | 781
Accounting Standards Update 2018-12 | Previously Reported |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  |  |  |  |  | $ 35,220 | $ 35,782 |  |
Accounting Standards Update 2018-12 | Previously Reported | Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  |  |  |  |  |  |  | 10,444 |
Accounting Standards Update 2018-12 | Previously Reported | Life Insurance Product Line [Member] | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  |  |  |  |  |  |  | 3,477 |
Accounting Standards Update 2018-12 | Previously Reported | Life Insurance Product Line [Member] | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  |  |  |  |  |  |  | 1,379 |
Accounting Standards Update 2018-12 | Previously Reported | Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
Future policy benefits |  |  |  |  |  |  |  | 3,568 |
Accounting Standards Update 2018-12 | Previously Reported | Insurance, Other | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 285
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 4,951
Future policy benefits |  |  |  |  |  |  |  | 5,037 |
Accounting Standards Update 2018-12 | Previously Reported | Insurance, Other | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 3,568
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 3,584
Future policy benefits |  |  |  |  |  |  |  | 16 |
Accounting Standards Update 2018-12 | Previously Reported | Insurance, Other | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 28,055
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 33,410
Future policy benefits |  |  |  |  |  |  |  | 5,657 |
Accounting Standards Update 2018-12 | Previously Reported | Insurance, Other | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 781
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 2,645
Future policy benefits |  |  |  |  |  |  |  | $ 1,874 |
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 20,758
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 26,196
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Life Insurance Product Line [Member] | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 1,785
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 4,469
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Life Insurance Product Line [Member] | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 2,599
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 2,989
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | (3,385)
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | (3,694)
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Insurance, Other | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 102
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 931
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Insurance, Other | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 343
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 372
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Insurance, Other | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 3,634
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 4,901
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment | Insurance, Other | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 114
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 125
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 91,077
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 106,471
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Life Insurance Product Line [Member] | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 23,117
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 29,056
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Life Insurance Product Line [Member] | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 16,632
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 18,235
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 30,782
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 33,641
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Insurance, Other | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 387
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 5,882
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Insurance, Other | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 3,911
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 3,956
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Insurance, Other | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 31,689
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 38,311
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjusted Balance | Insurance, Other | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 895
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 2,770
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Original Balance | Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 70,319
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 80,275
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Original Balance | Life Insurance Product Line [Member] | CANADA | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 21,332
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 24,587
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Original Balance | Life Insurance Product Line [Member] | EMEA [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 14,033
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | 15,246
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Original Balance | Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax |  |  |  |  |  |  |  |  | 34,167
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax |  |  |  |  |  |  |  |  | $ 37,335
[1] | Interest accrual: The interest earned on the beginning present value of either the expected net premiums or the expected future policy benefits using the original interest rate.
[2] | Issuances: The present value, using the original discount rate, of the expected net premiums or the expected future policy benefits related to new reinsurance contracts that became effective during the current period and new policies assumed on existing contracts.
[3] | Net premiums collected: The portion of gross premiums collected from the ceding company that is used to fund expected benefit payments.
[4] | Derecognition: Includes the effects of treaty recaptures and treaty amendments that resulted in the termination of an existing treaty and the issuance of a new treaty under the internal replacement model.
[5] | Benefit payments: The release of the present value, using the original discount rate, of the expected future policy benefits due to death, lapse/withdrawal, and other benefit payments based on current assumptions.
[6] | Issuances: The present value, using the original discount rate, of the expected net premiums or the expected future policy benefits related to new reinsurance contracts that became effective during the current period and new policies assumed on existing contracts.
[7] | Interest accrual: The interest earned on the beginning present value of either the expected net premiums or the expected future policy benefits using the original interest rate.
[8] | Net premiums collected: The portion of gross premiums collected from the ceding company that is used to fund expected benefit payments.
[9] | Derecognition: Includes the effects of treaty recaptures and treaty amendments that resulted in the termination of an existing treaty and the issuance of a new treaty under the internal replacement model.
[10] | Benefit payments: The release of the present value, using the original discount rate, of the expected future policy benefits due to death, lapse/withdrawal, and other benefit payments based on current assumptions.

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in expected future policy benefit component of liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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Balance Type: | credit
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