Income Taxes Income Tax Provision (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Current Federal Tax Expense (Benefit)	$ 67	$ 254	$ 156
Current State and Local Tax Expense (Benefit)	5	23	28
Current Foreign Tax Expense (Benefit)	66	1	2
Current Income Tax Expense (Benefit)	138	278	186
Deferred Federal Income Tax Expense (Benefit)	176	(4)	51
Deferred State and Local Income Tax Expense (Benefit)	7	5	(1)
Deferred Foreign Income Tax Expense (Benefit)	(4)	2	0
Deferred income taxes	179	3	50
Income Tax Expense (Benefit)	$ 317	$ 281	$ 236