Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Effective Tax Rate Reconciliation

Effective Tax Rate Reconciliation

	Second Quarter						Six Months
	2015			2014			2015			2014
	(in millions)
Expected tax provision (benefit) at statutory rates in taxable jurisdictions	$	143		$	72		$	220		$	110
Tax-exempt interest	(13		)	(14		)	(27		)	(28		)
Gain on bargain purchase	(19		)	—			(19		)	—
Change in liability for uncertain tax positions	1			—			2			1
Other	0			1			1			3
Total provision (benefit) for income taxes	$	112		$	59		$	177		$	86
Effective tax rate	27.5		%	27.2		%	26.2		%	30.0		%

Pretax Income (Loss) by Tax Jurisdiction

Pretax Income (Loss) by Tax Jurisdiction

	Second Quarter						Six Months
	2015			2014			2015			2014
	(in millions)
United States	$	414		$	209		$	637		$	322
Bermuda	5			18			55			(19		)
U.K.	(10		)	(9		)	(17		)	(16		)
Total	$	409		$	218		$	675		$	287

Revenue by Tax Jurisdiction

Revenue by Tax Jurisdiction

	Second Quarter						Six Months
	2015			2014			2015			2014
	(in millions)
United States	$	618		$	293		$	918		$	488
Bermuda	78			61			151			62
U.K.	(1		)	(1		)	(5		)	(2		)
Total	$	695		$	353		$	1,064		$	548