Commitments and Contingencies Operating Leases (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 18
Penalties Rate	2.00%
Capital Lease Interest Rates	1.00%
Operating Leases, Rent Expense, Net	32	17	21
Operating Leases, Future Minimum Payments, Due in Two Years	14
Operating Leases, Future Minimum Payments, Due in Three Years	12
Operating Leases, Future Minimum Payments, Due in Four Years	8
Operating Leases, Future Minimum Payments, Due in Five Years	5
Operating Leases, Future Minimum Payments, Due Thereafter	10
Operating Leases, Future Minimum Payments Due	$ 67