The value of the shares of ACE Capital Trust II purchased by ACE INA.

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Upon election of early redemption, the interest rate percentage in addition to the applicable Treasury Rate which is required to be paid by the Company.

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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Debt (Narrative) (Details) € in Millions, $ in Millions	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 EUR (€)	Mar. 31, 2000 USD ($)
Senior Notes [Member] \| INA Senior Notes Due December 2024 [Member]
Debt Instrument [Line Items]
Long-term debt stated interest rate	0.30%	0.30%
Make Whole Premium Additional Percent	0.15%	0.15%
Debt Instrument, Face Amount	$ 779.0	€ 700
Senior Notes [Member] \| INA Senior Notes Due December 2029 [Member]
Debt Instrument [Line Items]
Long-term debt stated interest rate	0.875%	0.875%
Make Whole Premium Additional Percent	0.20%	0.20%
Debt Instrument, Face Amount	$ 779.0	€ 700
Senior Notes [Member] \| INA Senior Note Due June 2027 [Member]
Debt Instrument [Line Items]
Long-term debt stated interest rate			0.875%	0.875%
Debt Instrument, Face Amount			$ 650.0	€ 575
Senior Notes [Member] \| INA Senior Note Due June 2031 [Member]
Debt Instrument [Line Items]
Long-term debt stated interest rate			1.40%	1.40%
Debt Instrument, Face Amount			$ 650.0	€ 575
Trust Preferred Securities \| INA capital securities due 2030
Debt Instrument [Line Items]
Long-term debt stated interest rate	9.70%	9.70%			9.70%
ACE Capital Trust II common securities purchased					$ 9.2
Debt Instrument, Face Amount	$ 309.0				$ 300.0
Senior Notes [Member] \| INA Senior Notes Due June 2019 [Member]
Debt Instrument [Line Items]
Long-term debt stated interest rate	5.90%	5.90%	5.90%	5.90%
Debt Instrument, Face Amount	$ 500.0		$ 500.0