Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

Reconciliation of Uncertain Tax Positions [Table Text Block]

	As of March 31, 2013			As of December 31, 2012
	(in millions)
Balance at the beginning of the period	$	22		$	20
Decrease due to closing of IRS audit	(9		)	—
Increase in unrecognized tax benefits as a result of position taken during the current period	1			2
Balance, end of period	$	14		$	22

Effective Tax Rate Reconciliation

Effective Tax Rate Reconciliation

	First Quarter
	2013			2012
	(in millions)
Expected tax provision (benefit) at statutory rates in taxable jurisdictions	$	(48	)	$	(199	)
Tax-exempt interest	(14		)	(15		)
Change in liability for uncertain tax positions	(8		)	0
Other	2			1
Total provision (benefit) for income taxes	$	(68	)	$	(213	)
Effective tax rate	31.8		%	30.6		%

Pretax Income (Loss) by Tax Jurisdiction

Pretax Income (Loss) by Tax Jurisdiction

	First Quarter
	2013			2012
	(in millions)
United States	$	(134	)	$	(568	)
Bermuda	(78		)	(128		)
UK	0			0
Total	$	(212	)	$	(696	)

Revenue by Tax Jurisdiction

Revenue by Tax Jurisdiction

	First Quarter
	2013			2012
	(in millions)
United States	$	(127	)	$	(285	)
Bermuda	(49		)	(77		)
UK	0			0
Total	$	(176	)	$	(362	)