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Discontinued Operations - Narrative (Details) - USD ($)	3 Months Ended			12 Months Ended
	Jun. 30, 2016	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Discontinued Operations Disclosures
Pre-tax loss				$ 113,000,000	$ 0	$ 6,000,000
Total assets of discontinued operations				24,000,000	635,000,000
Total liabilities of discontinued operations				43,000,000	$ 660,000,000
Brazil Distribution Business
Discontinued Operations Disclosures
After-tax loss	$ 113,000,000
Payments for (Proceeds from) Businesses and Interest in Affiliates	$ (100,000,000)
International Technology, Workforce | Cost of Sales
Discontinued Operations Disclosures
Non-cash pre-tax charge			$ 34,000,000
Non-cash after-tax charge			$ 27,000,000
International Technology, Software
Discontinued Operations Disclosures
After-tax loss		$ 6,000,000
Pre-tax loss		$ 6,000,000
Level 3 | Fair Value, Measurements, Nonrecurring | Brazil Distribution Business
Discontinued Operations Disclosures
Pre tax impairment charges						241,000,000
Impairment charges, after tax						$ 235,000,000
Discontinued Operations, Held-for-sale or Disposed of by Sale
Discontinued Operations Disclosures
Total assets of discontinued operations				184,000,000
Total liabilities of discontinued operations				$ 0

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