Policyholder Account Balance, Guaranteed Minimum Crediting (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Operating Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period	$ 5,458.6	$ 5,467.0	$ 5,456.0	$ 5,470.0
Colonial Life
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period	842.3	845.2	847.0	849.0
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	540.2	548.4	564.9	568.8
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	4,076.1	$ 4,073.4	4,044.1	$ 4,052.2
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | 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	83.3		$ 87.9
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Minimum | Voluntary Benefits | Unum US
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			3.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Maximum | Voluntary Benefits | Unum US
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			3.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | 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	429.2		$ 446.6
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Minimum | Voluntary Benefits | Unum US
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			4.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | Maximum | Voluntary Benefits | Unum US
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			4.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | 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	27.7		$ 30.4
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | Minimum | Voluntary Benefits | Unum US
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			5.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | Maximum | Voluntary Benefits | Unum US
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			6.00%
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
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period	842.3		$ 847.0
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Minimum | Colonial Life
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			4.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Maximum | Colonial Life
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			5.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | 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	1,437.1		$ 1,504.0
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Minimum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			3.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | Maximum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			5.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | 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	24.7		$ 26.3
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Minimum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			6.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | Maximum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			8.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | 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	2,390.1		$ 2,306.7
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Minimum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			9.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | Maximum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			11.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | 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	224.2		$ 207.1
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Minimum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			12.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | Maximum | Other Insurance Product Line | Closed Block
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating			15.00%
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Operating Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period	5,215.6		$ 5,191.6
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | 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	339.0		361.9
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | 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	4,040.7		3,989.0
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | 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	83.3		87.9
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | 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	228.0		243.6
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | 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	27.7		30.4
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period	835.9		840.7
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | 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	1,401.7		1,448.9
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | 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	24.7		26.3
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | 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	2,390.1		2,306.7
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | 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	224.2		207.1
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	236.5		257.5
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | 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	201.2		203.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | 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	28.9		48.2
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | 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	201.2		203.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance, before Reserves in excess of Account Balance, end of period	6.4		6.3
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | 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	28.9		48.2
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | 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	0.0		0.0
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	6.5		6.9
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | 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	6.5		6.9
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life
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
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | 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	6.5		6.9
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | 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	0.0		0.0
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
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0499 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and 0600 [Member] | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and 0500 | Colonial Life
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
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 and 0599 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0600 and 0899 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0900 and 1199 | 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	0.0		0.0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 1200 and 1500 | 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	$ 0.0		$ 0.0