Discontinued Operations Discontinued Operations (Schedule of Results from Discontinued Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended												12 Months Ended
	Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Discontinued Operations and Disposal Groups [Abstract]
Revenues													$ 421	$ 386	$ 413
Income (loss) from discontinued operations													(102)	(9)	26
Loss on sale													(5)	0	0
Income (loss) from discontinued operations													(107)	(9)	26
Income tax (expense) benefit													11	0	(2)
Income (Loss) from Discontinued Operations, Net of Tax	$ 4	[1]	$ (92)	[1]	$ (12)	[1]	$ 4	[1]	$ (4)	$ (8)	$ 2	$ 1	$ (96)	$ (9)	$ 24

[1] Financial results for the third quarter of 2014, include an $80 million of after-tax impairment charge related to our International Technology Business.