XML 106 R64.htm IDEA: XBRL DOCUMENT

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of Significant Accounting Policies [Abstract]
Unbilled Audit Premiums	$ 7	$ 1	$ 7
Deposit contracts, liabilities	75	80
Depreciation	38	40	41
Intangible assets, net (excluding goodwill)	31	32
Interest payments	119	111	103
Income taxes paid	$ 133	$ 48	$ 123

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References+ Details

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References+ Details