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Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2020
Reinsurance Disclosures [Abstract] |
Ceded Credit Risk [Table Text Block] | The following table presents information for the Company’s ceded reinsurance receivable assets, including the respective amount and A.M. Best rating for each reinsurer representing in excess of five percent of the total as of December 31, 2020 and 2019 (dollars in millions):
|  |  |  | 2020 |  | 2019
Reinsurer |  | A.M. Best Rating |  | Amount |  | % of Total |  | Amount |  | % of Total
Reinsurer A |  | A+ |  | $ | 420 |  |  | 42.7 | % |  | $ | 367 |  |  | 40.6 | %
Reinsurer B |  | A+ |  | 216 |  |  | 22.0 |  |  | 208 |  |  | 23.0 |
Reinsurer C |  | A |  | 64 |  |  | 6.5 |  |  | 84 |  |  | 9.3 |
Reinsurer D |  | A++ |  | 55 |  |  | 5.6 |  |  | 53 |  |  | 5.9 |
Reinsurer E |  | A+ |  | 46 |  |  | 4.7 |  |  | 43 |  |  | 4.8 |
Other reinsurers |  |  |  | 182 |  |  | 18.5 |  |  | 149 |  |  | 16.4 |
Total |  |  |  | $ | 983 |  |  | 100.0 | % |  | $ | 904 |  |  | 100.0 | %
Reinsurance Premium And Effect On Claims And Other Policy Benefits [Table Text Block] | The effect of reinsurance on net premiums is as follows (dollars in millions):
Years ended December 31, |  | 2020 |  | 2019 |  | 2018
Direct insurance |  | $ | 58 |  |  | $ | 76 |  |  | $ | 63 |
Reinsurance assumed |  | 12,583 |  |  | 12,150 |  |  | 11,341 |
Reinsurance ceded |  | (947) |  |  | (929) |  |  | (860) |
Net premiums |  | $ | 11,694 |  |  | $ | 11,297 |  |  | $ | 10,544 |
The effect of reinsurance on claims and other policy benefits as follows (dollars in millions):
Years ended December 31, |  | 2020 |  | 2019 |  | 2018
Direct insurance |  | $ | 97 |  |  | $ | 113 |  |  | $ | 107 |
Reinsurance assumed |  | 11,931 |  |  | 11,404 |  |  | 9,997 |
Reinsurance ceded |  | (953) |  |  | (1,320) |  |  | (785) |
Net claims and other policy benefits |  | $ | 11,075 |  |  | $ | 10,197 |  |  | $ | 9,319 |
Reinsurance Information [Table Text Block] | The effect of reinsurance on life insurance in force is shown in the following schedule (dollars in millions):
|  | Direct |  | Assumed |  | Ceded |  | Net |  | Assumed/Net %
December 31, 2020 |  | $ | 1,990 |  |  | $ | 3,480,692 |  |  | $ | 184,625 |  |  | $ | 3,298,057 |  |  | 105.5 | %
December 31, 2019 |  | 1,316 |  |  | 3,480,206 |  |  | 192,864 |  |  | 3,288,658 |  |  | 105.8 |
December 31, 2018 |  | 1,363 |  |  | 3,329,181 |  |  | 186,172 |  |  | 3,144,372 |  |  | 105.9 |

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- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- Definition Tabular disclosure of reinsurer or group of reinsurers for whom the entity has a concentration of credit risk. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 825 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195 + Details
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