Guarantor Financial Information (Narrative) (Details)	Jun. 30, 2008 GBP (£)	Dec. 31, 2001	Dec. 31, 2011 Bermuda Reorganization Note [Member] USD ($)	Dec. 31, 2001 Bermuda Reorganization Note [Member] USD ($)	Mar. 31, 2005 Senior Notes Due in 2015 [Member] USD ($)	Dec. 31, 2001 Senior Notes Due in 2015 [Member]	Sep. 30, 2009 Ireland Reorganization Note [Member] USD ($)
Debt Instrument, Face Amount	£ 60,000,000			$ 3,600,000,000	$ 300,000,000		$ 15,000,000,000
Debt Instrument, Interest Rate, Stated Percentage	8.25%	11.00%				4.75%
Note, carrying amount			1,000,000,000
Settlement of net intercompany payables							4,100,000,000
Notes Payable, Related Parties							$ 10,800,000,000