Contingencies (Impact of Legal Expenses Paid or Incurred to Date and Settlements Paid or Deemed Final) (Details) (USD $) In Millions, unless otherwise specified	2 Months Ended
	Mar. 31, 2014
Loss Contingencies [Line Items]
Legal expenses incurred and/or paid during the period	$ 3
Ending balance	3
Deductible [Member]
Loss Contingencies [Line Items]
Legal expenses incurred and/or paid during the period	3
Ending balance	$ 3