XML 89 R79.htm IDEA: XBRL DOCUMENT
v3.23.2

POLICY LIABILITIES - Schedule of Changes in Present Value of Expected Net Premiums and Expected Future Policy Benefits (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | $ 141,463 |  |
Ending balance |  | 136,089 | $ 141,463 |
Net liability for future policy benefits |  | 85,904 | 88,241 |
Cancer | Aflac Japan |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 19,298 | 25,893 |
Beginning balance at original discount rate |  | 18,221 | 22,470 |
Effect of changes in cash flow assumptions |  |  | 0 | $ (639)
Effect of actual variances from expected experience |  |  | (198) | (284)
Adjusted beginning of period balance |  |  | 18,023 | 21,547
Issuances |  | 498 | 947 |
Interest accrual |  | 218 | 459 |
Net premium earned | [1] | (824) | (1,734) |
Foreign currency translation |  | (1,521) | (2,997) |
Other |  | 0 | (1) |
Ending balance at original discount rate |  | 16,394 | 18,221 | 22,470
Effect of changes in discount rate assumptions |  | 1,579 | 1,077 |
Ending balance |  | 17,973 | 19,298 | 25,893
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 54,766 | 72,747 |
Beginning balance at original discount rate |  | 47,677 | 56,807 |
Effect of changes in cash flow assumptions |  |  | 0 | (721)
Effect of actual variances from expected experience |  |  | (232) | (333)
Adjusted beginning of period balance |  |  | 47,445 | 55,753
Issuances |  | 509 | 960 |
Interest accrual |  | 779 | 1,599 |
Benefit payments |  | (1,592) | (3,050) |
Foreign currency translation |  | (4,000) | (7,585) |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 43,141 | 47,677 | 56,807
Effect of changes in discount rate assumptions |  | 8,551 | 7,089 |
Ending balance |  | 51,692 | 54,766 | 72,747
Net liability for future policy benefits |  | 33,719 | 35,468 |
Less: reinsurance recoverable |  | 2,130 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 31,589 | 35,468 |
Medical and other health | Aflac Japan |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 16,714 | 21,174 |
Beginning balance at original discount rate |  | 16,195 | 18,681 |
Effect of changes in cash flow assumptions |  |  | 0 | 317
Effect of actual variances from expected experience |  |  | (61) | 61
Adjusted beginning of period balance |  |  | 16,134 | 19,059
Issuances |  | 204 | 639 |
Interest accrual |  | 180 | 364 |
Net premium earned | [1] | (673) | (1,376) |
Foreign currency translation |  | (1,348) | (2,488) |
Other |  | 0 | (3) |
Ending balance at original discount rate |  | 14,497 | 16,195 | 18,681
Effect of changes in discount rate assumptions |  | 1,135 | 519 |
Ending balance |  | 15,632 | 16,714 | 21,174
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 27,419 | 36,021 |
Beginning balance at original discount rate |  | 27,566 | 31,398 |
Effect of changes in cash flow assumptions |  |  | 0 | 352
Effect of actual variances from expected experience |  |  | (65) | 83
Adjusted beginning of period balance |  |  | 27,501 | 31,833
Issuances |  | 211 | 646 |
Interest accrual |  | 323 | 642 |
Benefit payments |  | (647) | (1,375) |
Foreign currency translation |  | (2,323) | (4,180) |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 25,065 | 27,566 | 31,398
Effect of changes in discount rate assumptions |  | 1,462 | (147) |
Ending balance |  | 26,527 | 27,419 | 36,021
Net liability for future policy benefits |  | 10,895 | 10,705 |
Less: reinsurance recoverable |  | 1,580 | 1,579 |
Net liability for future policy benefits after reinsurance recoverable |  | 9,315 | 9,126 |
Life insurance | Aflac Japan |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 7,485 | 10,847 |
Beginning balance at original discount rate |  | 7,284 | 10,064 |
Effect of changes in cash flow assumptions |  |  | 0 | (494)
Effect of actual variances from expected experience |  |  | (22) | (81)
Adjusted beginning of period balance |  |  | 7,262 | 9,489
Issuances |  | 198 | 221 |
Interest accrual |  | 66 | 146 |
Net premium earned | [1] | (549) | (1,229) |
Foreign currency translation |  | (597) | (1,343) |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 6,380 | 7,284 | 10,064
Effect of changes in discount rate assumptions |  | 335 | 201 |
Ending balance |  | 6,715 | 7,485 | 10,847
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 31,954 | 42,720 |
Beginning balance at original discount rate |  | 32,800 | 39,002 |
Effect of changes in cash flow assumptions |  |  | 0 | (550)
Effect of actual variances from expected experience |  |  | (26) | (91)
Adjusted beginning of period balance |  |  | 32,774 | 38,361
Issuances |  | 201 | 222 |
Interest accrual |  | 329 | 670 |
Benefit payments |  | (808) | (1,248) |
Foreign currency translation |  | (2,759) | (5,205) |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 29,737 | 32,800 | 39,002
Effect of changes in discount rate assumptions |  | 670 | (846) |
Ending balance |  | 30,407 | 31,954 | 42,720
Net liability for future policy benefits |  | 23,692 | 24,469 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 23,692 | 24,469 |
Life insurance | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 724 | 834 |
Beginning balance at original discount rate |  | 799 | 780 |
Effect of changes in cash flow assumptions |  |  | 0 | (1)
Effect of actual variances from expected experience |  |  | (9) | (16)
Adjusted beginning of period balance |  |  | 790 | 763
Issuances |  | 90 | 146 |
Interest accrual |  | 14 | 27 |
Net premium earned | [1] | (65) | (131) |
Foreign currency translation |  | 0 | 0 |
Other |  | 2 | (6) |
Ending balance at original discount rate |  | 831 | 799 | 780
Effect of changes in discount rate assumptions |  | (68) | (75) |
Ending balance |  | 763 | 724 | 834
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 1,526 | 1,843 |
Beginning balance at original discount rate |  | 1,778 | 1,694 |
Effect of changes in cash flow assumptions |  |  | 0 | (1)
Effect of actual variances from expected experience |  |  | (12) | (21)
Adjusted beginning of period balance |  |  | 1,766 | 1,672
Issuances |  | 94 | 149 |
Interest accrual |  | 33 | 62 |
Benefit payments |  | (56) | (103) |
Foreign currency translation |  | 0 | 0 |
Other |  | 4 | (2) |
Ending balance at original discount rate |  | 1,841 | 1,778 | 1,694
Effect of changes in discount rate assumptions |  | (228) | (252) |
Ending balance |  | 1,613 | 1,526 | 1,843
Net liability for future policy benefits |  | 850 | 802 |
Less: reinsurance recoverable |  | 11 | 9 |
Net liability for future policy benefits after reinsurance recoverable |  | 839 | 793 |
Accident | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 2,534 | 3,283 |
Beginning balance at original discount rate |  | 2,760 | 2,999 |
Effect of changes in cash flow assumptions |  |  | 0 | (52)
Effect of actual variances from expected experience |  |  | (51) | (152)
Adjusted beginning of period balance |  |  | 2,709 | 2,795
Issuances |  | 185 | 355 |
Interest accrual |  | 51 | 105 |
Net premium earned | [1] | (237) | (496) |
Foreign currency translation |  | 0 | 0 |
Other |  | (3) | 1 |
Ending balance at original discount rate |  | 2,705 | 2,760 | 2,999
Effect of changes in discount rate assumptions |  | (201) | (226) |
Ending balance |  | 2,504 | 2,534 | 3,283
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 3,098 | 3,949 |
Beginning balance at original discount rate |  | 3,391 | 3,594 |
Effect of changes in cash flow assumptions |  |  | 0 | (70)
Effect of actual variances from expected experience |  |  | (65) | (177)
Adjusted beginning of period balance |  |  | 3,326 | 3,347
Issuances |  | 194 | 364 |
Interest accrual |  | 63 | 128 |
Benefit payments |  | (225) | (456) |
Foreign currency translation |  | 0 | 0 |
Other |  | 0 | 8 |
Ending balance at original discount rate |  | 3,358 | 3,391 | 3,594
Effect of changes in discount rate assumptions |  | (264) | (293) |
Ending balance |  | 3,094 | 3,098 | 3,949
Net liability for future policy benefits |  | 590 | 564 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 590 | 564 |
Disability | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 1,635 | 1,862 |
Beginning balance at original discount rate |  | 1,775 | 1,760 |
Effect of changes in cash flow assumptions |  |  | 0 | 5
Effect of actual variances from expected experience |  |  | (15) | (43)
Adjusted beginning of period balance |  |  | 1,760 | 1,722
Issuances |  | 204 | 384 |
Interest accrual |  | 30 | 57 |
Net premium earned | [1] | (193) | (382) |
Foreign currency translation |  | 0 | 0 |
Other |  | (3) | (6) |
Ending balance at original discount rate |  | 1,798 | 1,775 | 1,760
Effect of changes in discount rate assumptions |  | (129) | (140) |
Ending balance |  | 1,669 | 1,635 | 1,862
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 2,445 | 2,871 |
Beginning balance at original discount rate |  | 2,636 | 2,670 |
Effect of changes in cash flow assumptions |  |  | 0 | 5
Effect of actual variances from expected experience |  |  | (23) | (48)
Adjusted beginning of period balance |  |  | 2,613 | 2,627
Issuances |  | 212 | 397 |
Interest accrual |  | 48 | 94 |
Benefit payments |  | (233) | (483) |
Foreign currency translation |  | 0 | 0 |
Other |  | 0 | 1 |
Ending balance at original discount rate |  | 2,640 | 2,636 | 2,670
Effect of changes in discount rate assumptions |  | (176) | (191) |
Ending balance |  | 2,464 | 2,445 | 2,871
Net liability for future policy benefits |  | 795 | 810 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 795 | 810 |
Critical Care | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 4,486 | 6,023 |
Beginning balance at original discount rate |  | 5,050 | 5,391 |
Effect of changes in cash flow assumptions |  |  | 0 | (38)
Effect of actual variances from expected experience |  |  | (139) | (421)
Adjusted beginning of period balance |  |  | 4,911 | 4,932
Issuances |  | 291 | 537 |
Interest accrual |  | 94 | 193 |
Net premium earned | [1] | (298) | (612) |
Foreign currency translation |  | 0 | 0 |
Other |  | (2) | 0 |
Ending balance at original discount rate |  | 4,996 | 5,050 | 5,391
Effect of changes in discount rate assumptions |  | (497) | (564) |
Ending balance |  | 4,499 | 4,486 | 6,023
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 11,489 | 15,388 |
Beginning balance at original discount rate |  | 12,846 | 13,079 |
Effect of changes in cash flow assumptions |  |  | 0 | (43)
Effect of actual variances from expected experience |  |  | (166) | (465)
Adjusted beginning of period balance |  |  | 12,680 | 12,571
Issuances |  | 302 | 550 |
Interest accrual |  | 267 | 539 |
Benefit payments |  | (446) | (823) |
Foreign currency translation |  | 0 | 0 |
Other |  | 0 | 9 |
Ending balance at original discount rate |  | 12,803 | 12,846 | 13,079
Effect of changes in discount rate assumptions |  | (1,166) | (1,357) |
Ending balance |  | 11,637 | 11,489 | 15,388
Net liability for future policy benefits |  | 7,138 | 7,003 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 7,138 | 7,003 |
Hospital Indemnity | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 1,220 | 1,467 |
Beginning balance at original discount rate |  | 1,365 | 1,380 |
Effect of changes in cash flow assumptions |  |  | 0 | 42
Effect of actual variances from expected experience |  |  | (44) | (111)
Adjusted beginning of period balance |  |  | 1,321 | 1,311
Issuances |  | 153 | 273 |
Interest accrual |  | 23 | 45 |
Net premium earned | [1] | (127) | (261) |
Foreign currency translation |  | 0 | 0 |
Other |  | (1) | (3) |
Ending balance at original discount rate |  | 1,369 | 1,365 | 1,380
Effect of changes in discount rate assumptions |  | (129) | (145) |
Ending balance |  | 1,240 | 1,220 | 1,467
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 2,074 | 2,552 |
Beginning balance at original discount rate |  | 2,300 | 2,300 |
Effect of changes in cash flow assumptions |  |  | 0 | 40
Effect of actual variances from expected experience |  |  | (58) | (130)
Adjusted beginning of period balance |  |  | 2,242 | 2,210
Issuances |  | 162 | 282 |
Interest accrual |  | 43 | 85 |
Benefit payments |  | (137) | (277) |
Foreign currency translation |  | 0 | 0 |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 2,310 | 2,300 | 2,300
Effect of changes in discount rate assumptions |  | (201) | (226) |
Ending balance |  | 2,109 | 2,074 | 2,552
Net liability for future policy benefits |  | 869 | 854 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 869 | 854 |
Dental/Vision | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 211 | 264 |
Beginning balance at original discount rate |  | 231 | 241 |
Effect of changes in cash flow assumptions |  |  | 0 | 10
Effect of actual variances from expected experience |  |  | (11) | (20)
Adjusted beginning of period balance |  |  | 220 | 231
Issuances |  | 20 | 33 |
Interest accrual |  | 4 | 9 |
Net premium earned | [1] | (20) | (42) |
Foreign currency translation |  | 0 | 0 |
Other |  | 2 | 0 |
Ending balance at original discount rate |  | 226 | 231 | 241
Effect of changes in discount rate assumptions |  | (17) | (20) |
Ending balance |  | 209 | 211 | 264
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 488 | 616 |
Beginning balance at original discount rate |  | 532 | 549 |
Effect of changes in cash flow assumptions |  |  | 0 | 13
Effect of actual variances from expected experience |  |  | (14) | (23)
Adjusted beginning of period balance |  |  | 518 | 539
Issuances |  | 23 | 34 |
Interest accrual |  | 10 | 21 |
Benefit payments |  | (30) | (62) |
Foreign currency translation |  | 0 | 0 |
Other |  | 2 | 0 |
Ending balance at original discount rate |  | 523 | 532 | 549
Effect of changes in discount rate assumptions |  | (39) | (44) |
Ending balance |  | 484 | 488 | 616
Net liability for future policy benefits |  | 275 | 277 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 275 | 277 |
Other | Aflac Japan |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 1,256 | 1,586 |
Beginning balance at original discount rate |  | 1,242 | 1,461 |
Effect of changes in cash flow assumptions |  |  | 0 | 25
Effect of actual variances from expected experience |  |  | (5) | (10)
Adjusted beginning of period balance |  |  | 1,237 | 1,476
Issuances |  | 14 | 62 |
Interest accrual |  | 11 | 22 |
Net premium earned | [1] | (60) | (123) |
Foreign currency translation |  | (104) | (195) |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 1,098 | 1,242 | 1,461
Effect of changes in discount rate assumptions |  | 47 | 14 |
Ending balance |  | 1,145 | 1,256 | 1,586
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 5,582 | 7,322 |
Beginning balance at original discount rate |  | 5,940 | 6,787 |
Effect of changes in cash flow assumptions |  |  | 0 | 96
Effect of actual variances from expected experience |  |  | (2) | (10)
Adjusted beginning of period balance |  |  | 5,938 | 6,873
Issuances |  | 17 | 68 |
Interest accrual |  | 53 | 106 |
Benefit payments |  | (107) | (202) |
Foreign currency translation |  | (500) | (905) |
Other |  | 0 | 0 |
Ending balance at original discount rate |  | 5,401 | 5,940 | 6,787
Effect of changes in discount rate assumptions |  | (25) | (358) |
Ending balance |  | 5,376 | 5,582 | 7,322
Net liability for future policy benefits |  | 4,231 | 4,326 |
Less: reinsurance recoverable |  | 0 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | 4,231 | 4,326 |
Other | Aflac U.S. |  |  |  |
Present value of expected premiums: |  |  |  |
Beginning balance |  | 110 | 153 |
Beginning balance at original discount rate |  | 118 | 135 |
Effect of changes in cash flow assumptions |  |  | 0 | (12)
Effect of actual variances from expected experience |  |  | 0 | 6
Adjusted beginning of period balance |  |  | 118 | 129
Issuances |  | 55 | 0 |
Interest accrual |  | 3 | 5 |
Net premium earned | [1] | (8) | (17) |
Foreign currency translation |  | 0 | 0 |
Other |  | 9 | 1 |
Ending balance at original discount rate |  | 177 | 118 | 135
Effect of changes in discount rate assumptions |  | (8) | (8) |
Ending balance |  | 169 | 110 | 153
Present value of expected future policy benefits: |  |  |  |
Beginning balance |  | 622 | 837 |
Beginning balance at original discount rate |  | 624 | 645 |
Effect of changes in cash flow assumptions |  |  | 0 | (15)
Effect of actual variances from expected experience |  |  | (1) | 7
Adjusted beginning of period balance |  |  | 623 | 637
Issuances |  | 55 | 0 |
Interest accrual |  | 16 | 32 |
Benefit payments |  | (23) | (45) |
Foreign currency translation |  | 0 | 0 |
Other |  | 9 | 0 |
Ending balance at original discount rate |  | 680 | 624 | 645
Effect of changes in discount rate assumptions |  | 6 | (2) |
Ending balance |  | 686 | 622 | $ 837
Net liability for future policy benefits |  | 517 | 512 |
Less: reinsurance recoverable |  | 1 | 0 |
Net liability for future policy benefits after reinsurance recoverable |  | $ 516 | $ 512 |
[1] | Net premiums earned represent the portion of gross premiums collected from policyholders that is used to fund expected benefit payments.

X
- Definition Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) from Foreign Currency Translation + References No definition available. + Details
Name: | afl_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitIncreaseDecreaseFromForeignCurrencyTranslation
Namespace Prefix: | afl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) from Foreign Currency Translation + References No definition available. + Details
Name: | afl_LiabilityForFuturePolicyBenefitExpectedNetPremiumIncreaseDecreaseFromForeignCurrencyTranslation
Namespace Prefix: | afl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_AociLiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from increase (decrease) in expected net premium 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
Name: | us-gaap_AociLiabilityForFuturePolicyBenefitExpectedNetPremiumBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after effect of reinsurance, of liability for future policy benefit. + 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/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
Name: | us-gaap_LiabilityForFuturePolicyBenefitAfterReinsurance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of expected future benefit and expense component for liability for future policy benefit, discounted at original 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/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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFutureBenefitOriginalDiscountRateBeforeReinsuranceAfterCashFlowChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected future policy benefit and expense component of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitBeforeReinsuranceAfterDiscountRateChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from cash flow assumption change for future cash flows. + 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 (g) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitCumulativeIncreaseDecreaseFromCashFlowChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from effect of variance from cash flow assumption change for actual experience. + 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 (f) -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 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitCumulativeIncreaseDecreaseOfActualVarianceFromExpectedExperience
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in expected future policy benefit and expense component for liability for future policy benefit from change, classified as other. + References Reference 1: 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 2: 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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitIncreaseDecreaseForOtherChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest expense for expected future policy benefit and expense component of liability for future policy benefit. + 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 (b) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitInterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in expected future policy benefit and expense component of liability for future policy benefit from contract issuance. + 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 (a) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before effect of reinsurance and current period update of cash flow assumption, of expected future policy benefit and expense component of liability for future policy benefit, discounted at original 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/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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitOriginalDiscountRateBeforeCashFlowAndReinsurance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedFuturePolicyBenefitRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected net premium component of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumBeforeReinsuranceAfterDiscountRateChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in expected net premium component of liability for future policy benefit from cash flow assumption change for future cash flows. + 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 (g) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumCumulativeIncreaseDecreaseFromCashFlowChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in expected net premium component for liability of future policy benefit from effect of variance from cash flow assumption change for actual experience. + 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 (f) -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 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumCumulativeIncreaseDecreaseOfActualVarianceFromExpectedExperience
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) in expected net premium component for liability for future policy benefit from change, classified as other. + References Reference 1: 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 2: 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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumIncreaseDecreaseForOtherChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income for expected net premium component of liability for future policy benefit. + 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 (b) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumInterestIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in expected net premium component of liability for future policy benefit from contract issuance. + 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 (a) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of premium collected from policyholder to fund expected benefit payment for expected net premium component of liability for future policy benefit. + 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 (c) -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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumNetPremiumCollected
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, before effect of reinsurance and current period update of cash flow assumption, of expected net premium component of liability for future policy benefit, discounted at original 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/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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumOriginalDiscountRateBeforeCashFlowAndReinsurance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of expected net premium component for liability for future policy benefit, discounted at original 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/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
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumOriginalDiscountRateBeforeReinsuranceAfterCashFlowChange
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitExpectedNetPremiumRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, recoverable under reinsurance of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitReinsuranceRecoverableAfterAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash outflow to policyholder from benefit payment for expected future policy benefit and expense component of liability for future policy benefit. + 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 (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-17 Reference 5: 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
Name: | us-gaap_LiabilityForFuturePolicyBenefitsPaymentForBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=afl_CancerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=afl_AflacJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_MedicalAndOtherHealthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_LifeInsuranceSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=afl_AflacUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_AccidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_DisabilityInsurancePolicyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_CriticalCareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_HospitalIndemnityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_DentalVisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_OtherInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |