Income Taxes And Tax-Related Items Income Taxes And Tax-Related Items (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 11	$ 11
Reasonably possible change in unrecognized tax benefits in next 12 months	7
Tax-related interest and penalties payable	2	2
Net deferred tax assets	212	256
Decrease in net deferred tax assets	44
Valuation allowance for deferred tax assets	$ 0	$ 0