Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule of debt outstanding

	December 31		December 31
(in millions of U.S. dollars)	2016		2015		Early Redemption Option
Repurchase agreements (weighted average interest rate of 0.8% in 2016 and 0.6% in 2015)	$	1,403	$	1,404	None
Short-term debt
Chubb INA senior notes:
$500 million 5.7% due February 2017	$	500	$	—	Make-whole premium plus 0.20%
Long-term debt
Chubb INA senior notes:
$500 million 5.7% due February 2017	$	—	$	500	Make-whole premium plus 0.20%
$300 million 5.8% due March 2018	300		299		Make-whole premium plus 0.35%
$600 million 5.75% due May 2018	635		—		Make-whole premium plus 0.30%
$100 million 6.6% due August 2018	107		—		None
$500 million 5.9% due June 2019	498		497		Make-whole premium plus 0.40%
$1,300 million 2.3% due November 2020	1,294		1,294		Make-whole premium plus 0.15%
$1,000 million 2.875% due November 2022	994		994		Make-whole premium plus 0.20%
$475 million 2.7% due March 2023	471		471		Make-whole premium plus 0.10%
$700 million 3.35% due May 2024	695		694		Make-whole premium plus 0.15%
$800 million 3.15% due March 2025	794		794		Make-whole premium plus 0.15%
$1,500 million 3.35% due May 2026	1,488		1,487		Make-whole premium plus 0.20%
$100 million 8.875% due August 2029	100		100		None
$200 million 6.8% due November 2031	257		—		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	980		—		Make-whole premium plus 0.20%
$600 million 6.5% due May 2038	776		—		Make-whole premium plus 0.30%
$475 million 4.15% due March 2043	469		469		Make-whole premium plus 0.15%
$1,500 million 4.35% due November 2045	1,482		1,482		Make-whole premium plus 0.25%
Chubb INA $1,000 million 6.375% capital securities due March 2067(1)	962		—		Make-whole premium plus 0.25%-0.50%
Other long-term debt (2.75% to 7.1% due December 2019 to September 2020)	11		11		None
Total long-term debt	$	12,610	$	9,389
Trust preferred securities
Chubb INA capital securities due April 2030	$	308	$	307	Redemption prices(2)