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Document and Entity Information - Registered securities pursuant to Section 12b | 12 Months Ended
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Dec. 31, 2022
Common Class A [Member] |
Title of 12(b) Security | Common Shares, par value CHF 24.15 per share
Trading Symbol | CB
Security Exchange Name | NYSE
INA Senior Notes Due December 2024 [Member] |
Title of 12(b) Security | Guarantee of Chubb INA Holdings Inc. 0.30% Senior Notes due 2024
Trading Symbol | CB/24A
Security Exchange Name | NYSE
INA Senior Notes Due June 2027 [Member] |
Title of 12(b) Security | Guarantee of Chubb INA Holdings Inc. 0.875% Senior Notes due 2027
Trading Symbol | CB/27
Security Exchange Name | NYSE
INA Senior Notes Due March 2028 [Member] |
Title of 12(b) Security | Guarantee of Chubb INA Holdings Inc. 1.55% Senior Notes due 2028
Trading Symbol | CB/28
Security Exchange Name | NYSE
INA Senior Notes Due December 2029 [Member] |
Title of 12(b) Security | Guarantee of Chubb INA Holdings Inc. 0.875% Senior Notes due 2029
Trading Symbol | CB/29A
Security Exchange Name | NYSE
INA Senior Notes Due June 2031 [Member] |
Title of 12(b) Security | Guarantee of Chubb INA Holdings Inc. 1.40% Senior Notes due 2031
Trading Symbol | CB/31
Security Exchange Name | NYSE
INA Senior Notes Due March 2038 [Member] |
Title of 12(b) Security | Guarantee of Chubb INA Holdings Inc. 2.50% Senior Notes due 2038
Trading Symbol | CB/38A
Security Exchange Name | NYSE

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- Definition Title of a 12(b) registered security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b + Details
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