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Segments of Business - Segment Assets and Property, Plant and Equipment, Net by Geographical Area (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
--- | --- | --- | --- | ---
Segment assets |  |  |  |
Cash and cash equivalents | $ 4,048 | $ 5,341 | $ 4,193 | $ 2,456
Total | 56,563 | 53,870 |  |
Property, plant and equipment, net |  |  |  |
Total | 2,278 | 2,045 |  |
United States |  |  |  |
Property, plant and equipment, net |  |  |  |
Total | 1,500 | 1,273 |  |
Foreign |  |  |  |
Property, plant and equipment, net |  |  |  |
Total | 778 | 772 |  |
Operating Segments |  |  |  |
Segment assets |  |  |  |
Total | 50,160 | 47,263 |  |
Corporate |  |  |  |
Segment assets |  |  |  |
Cash and cash equivalents | 4,048 | 5,341 |  |
Other | 2,355 | 1,266 |  |
Distribution Solutions | Operating Segments |  |  |  |
Segment assets |  |  |  |
Total | 47,088 | 43,982 |  |
Technology Solutions | Operating Segments |  |  |  |
Segment assets |  |  |  |
Total | $ 3,072 | $ 3,281 |  |

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