| AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax, Beginning Balance | en-US | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax, Ending Balance | en-US | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |