Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of debt outstanding

	December 31		December 31
(in millions of U.S. dollars)	2018		2017		Early Redemption Option
Repurchase agreements (weighted average interest rate of 2.5% in 2018 and 1.5% in 2017)	$	1,418	$	1,408	None
Short-term debt
Chubb INA senior notes:
$300 million 5.8% due March 2018	$	—	$	300	Make-whole premium plus 0.35%
$600 million 5.75% due May 2018	—		610		Make-whole premium plus 0.30%
$100 million 6.6% due August 2018	—		103		None
$500 million 5.9% due June 2019	500		—		Make-whole premium plus 0.40%
Other short-term debt (7.1% due December 2019)	9		—		None
Total short-term debt	$	509	$	1,013
Long-term debt
Chubb INA senior notes:
$500 million 5.9% due June 2019	$	—	$	499	Make-whole premium plus 0.40%
$1,300 million 2.3% due November 2020	1,297		1,296		Make-whole premium plus 0.15%
$1,000 million 2.875% due November 2022	996		995		Make-whole premium plus 0.20%
$475 million 2.7% due March 2023	473		472		Make-whole premium plus 0.10%
$700 million 3.35% due May 2024	696		695		Make-whole premium plus 0.15%
$800 million 3.15% due March 2025	796		795		Make-whole premium plus 0.15%
$1,500 million 3.35% due May 2026	1,491		1,489		Make-whole premium plus 0.20%
€900 million 1.55% due March 2028	1,008		—		Make-whole premium plus 0.15%
$100 million 8.875% due August 2029	100		100		None
$200 million 6.8% due November 2031	250		254		Make-whole premium plus 0.25%
$300 million 6.7% due May 2036	297		297		Make-whole premium plus 0.20%
$800 million 6.0% due May 2037	962		971		Make-whole premium plus 0.20%
€900 million 2.5% due March 2038	1,008		—		Make-whole premium plus 0.25%
$600 million 6.5% due May 2038	759		768		Make-whole premium plus 0.30%
$475 million 4.15% due March 2043	470		469		Make-whole premium plus 0.15%
$1,500 million 4.35% due November 2045	1,483		1,482		Make-whole premium plus 0.25%
Chubb INA $1,000 million 6.375% capital securities due March 2067(1)	—		964		Make-whole premium plus 0.25%-0.50%
Other long-term debt (2.75% to 7.1% due December 2019 to September 2020)	1		10		None
Total long-term debt	$	12,087	$	11,556
Trust preferred securities
Chubb INA capital securities due April 2030	$	308	$	308	Redemption prices(2)