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Policyholder Account Balance, Guaranteed Minimum Crediting (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2023
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Operating Segments |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | $ 5,490.2 | $ 5,470.0 | $ 5,505.2 | $ 5,514.2
Policyholder Account Balance, Guaranteed Minimum Credit Rating | Operating Segments |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 5,222.0 |  | 1,600.4 |
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Operating Segments |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 261.6 |  | 3,841.3 |
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Operating Segments |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 6.6 |  | 63.5 |
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Operating Segments |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Colonial Life |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 844.4 | 849.0 | 848.3 | 852.9
Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 844.4 |  | 848.3 |
Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 838.1 |  | 842.0 |
Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 6.3 |  | 6.3 |
Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 4,093.0 | 4,052.2 | 4,086.3 | 4,082.7
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 4,038.8 |  | 417.2 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 47.6 |  | 3,641.4 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 6.6 |  | 27.7 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 1,485.3 |  | 1,560.7 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 1,431.1 |  | 415.9 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 47.6 |  | 1,117.1 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 6.6 |  | 27.7 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 25.7 |  | 26.9 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 25.7 |  | 1.3 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 25.6 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 2,367.7 |  | 2,299.3 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 2,367.7 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 2,299.3 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 214.3 |  | 199.4 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 214.3 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 199.4 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 552.8 | $ 568.8 | 570.6 | $ 578.6
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 345.1 |  | 341.2 |
Voluntary Benefits | Unum US | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 207.7 |  | 193.6 |
Voluntary Benefits | Unum US | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 35.8 |
Voluntary Benefits | Unum US | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 86.6 |  | 89.8 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 86.6 |  | 89.8 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 436.8 |  | 449.6 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 229.1 |  | 220.2 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 207.7 |  | 193.6 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 35.8 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 29.4 |  | 31.2 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Policyholder Account Balance, Guaranteed Minimum Credit Rating |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 29.4 |  | 31.2 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | 0.0 |  | 0.0 |
Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, before Reserves in excess of Account Balance, End of Period | $ 0.0 |  | $ 0.0 |
Minimum | Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 4.00% |  | 4.00% |
Minimum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 3.00% |  | 3.00% |
Minimum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 6.00% |  | 6.00% |
Minimum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 9.00% |  | 9.00% |
Minimum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 12.00% |  | 12.00% |
Minimum | Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 3.00% |  | 3.00% |
Minimum | Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 4.00% |  | 4.00% |
Minimum | Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 5.00% |  | 5.00% |
Maximum | Colonial Life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 5.00% |  | 5.00% |
Maximum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 5.99% |  | 5.99% |
Maximum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 8.99% |  | 8.99% |
Maximum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 11.99% |  | 11.99% |
Maximum | Other Insurance Product Line | Closed Block | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 15.00% |  | 15.00% |
Maximum | Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 3.99% |  | 3.99% |
Maximum | Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 4.99% |  | 4.99% |
Maximum | Voluntary Benefits | Unum US | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items] |  |  |  |
Policyholder Account Balance, Guaranteed Minimum Credit Rating | 6.00% |  | 6.00% |

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