Discontinued Operations Discontinued Operations (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended				6 Months Ended	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014	Dec. 31, 2013 Hospital Automation [Member]	Dec. 31, 2013 International Technology [Member]	Sep. 30, 2014 International Technology, Software [Member]	Sep. 30, 2014 International Technology, Workforce [Member]	Sep. 30, 2014 International Technology, Workforce [Member]	Sep. 30, 2014 Cost of Sales [Member] International Technology, Workforce [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds on Disposal						$ 55
Gain (Loss) on Disposal, Pre-Tax	(6)	0	(6)	0		(5)		(6)
Gain (Loss) on Disposal, Net of Tax						(7)		(6)
Assets, Fair Value Adjustment, Pre-Tax							80		34	34	34
Assets, Fair Value Adjustment, Net of Tax							80				27
Assets of Disposal Group, Held-for-Sale	14		14		267
Liabilities of Disposal Group, Held-for-Sale	$ 14		$ 14		$ 248