Discontinued Operations Discontinued Operations (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Mar. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]
Proceeds from Divestiture of Businesses		$ 55
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax		(5)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		(7)
Goodwill and Intangible Asset Impairment		80
Goodwill and Intangible Asset Impairment, After-tax Charge		80
Assets of Disposal Group, Including Discontinued Operation	138		267
Liabilities of Disposal Group, Including Discontinued Operation	144		248
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Adjustment	34
Assets Fair Value Adjustment, Net of Tax	27
Cost of Sales [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Adjustment	32
Operating Expense [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Adjustment	$ 2