Discontinued Operations - Summary of Carrying Amounts of Major Classes of Assets and Liabilities (Details) - Discontinued Operations, Held-For-Sale or Disposed Of By Sale - USD ($) $ in Millions	Dec. 31, 2015	Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Receivables, net	$ 255	$ 314
Inventories, net	241	254
Other assets	86	92
Total assets of discontinued operations	582	660
Drafts and account payable	247	209
Short-term borrowings	100	126
Other liabilities	248	328
Total liabilities of discontinued operations	$ 595	$ 663