Schedule of Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Indefinite-lived intangible assets	$ 74	$ 73
Finite-Lived Intangible Assets	85	83
Accumulated Amortization	66	43
Total other intangible assets	159	156
Total intangible assets, accumulated amortization	66	43
Lloyds syndicate capacity [Member]
Indefinite-lived intangible assets	58	57
Agency Force [Member]
Indefinite-lived intangible assets	16	16
Value of business acquired [Member]
Finite-Lived Intangible Assets	64	62
Accumulated Amortization	63	43
Trade name [Member]
Economic useful life measured in years	8 years
Finite-Lived Intangible Assets	8	8
Accumulated Amortization	2
Distribution channel [Member]
Economic useful life measured in years	15 years
Finite-Lived Intangible Assets	13	13
Accumulated Amortization	$ 1
Minimum [Member] | Value of business acquired [Member]
Economic useful life measured in years	1 year
Maximum [Member] | Value of business acquired [Member]
Economic useful life measured in years	4 years