Debt	6 Months Ended
Jun. 30, 2015
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	Debt In March 2015, ACE INA Holdings Inc. issued $800 million of 3.15 percent senior notes due March 2025. These senior notes are redeemable at any time at ACE INA Holdings Inc.'s option subject to a “make-whole” premium (the present value of the remaining principal and interest discounted at the applicable U.S. Treasury rate plus 0.15 percent). The notes are also redeemable at par plus accrued and unpaid interest in the event of certain changes in tax law. These notes do not have the benefit of any sinking fund. These senior unsecured notes are guaranteed on a senior basis by ACE Limited and they rank equally with all of ACE's other senior obligations. They also contain customary limitations on lien provisions as well as customary events of default provisions which, if breached, could result in the accelerated maturity of such senior debt. In May 2015, ACE INA Holdings Inc.'s $450 million of 5.6 percent senior notes matured and were fully paid.

Debt

6 Months Ended

Jun. 30, 2015

Debt

In March 2015, ACE INA Holdings Inc. issued $800 million of 3.15 percent senior notes due March 2025. These senior notes are redeemable at any time at ACE INA Holdings Inc.'s option subject to a “make-whole” premium (the present value of the remaining principal and interest discounted at the applicable U.S. Treasury rate plus 0.15 percent). The notes are also redeemable at par plus accrued and unpaid interest in the event of certain changes in tax law. These notes do not have the benefit of any sinking fund. These senior unsecured notes are guaranteed on a senior basis by ACE Limited and they rank equally with all of ACE's other senior obligations. They also contain customary limitations on lien provisions as well as customary events of default provisions which, if breached, could result in the accelerated maturity of such senior debt.

In May 2015, ACE INA Holdings Inc.'s $450 million of 5.6 percent senior notes matured and were fully paid.