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Restructuring Actions and Exit Activities (Details) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2018 USD ($) individual | Jun. 30, 2017 USD ($) individual | Mar. 31, 2017 USD ($)
Employee-Related |  |  |
Restructuring Cost and Reserve |  |  |
Pre-tax charge related to exit activities |  |  | $ 24
2018 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | $ 105 |  |
2018 Restructuring Actions | Cost of sales |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | 12 |  |
2018 Restructuring Actions | Selling, general and administrative expenses |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | 89 |  |
2018 Restructuring Actions | Research, development and related expenses |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring charges | $ 4 |  |
2017 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring and related cost, number of positions affected | individual |  | 1,300 |
Restructuring charges |  | $ 99 |
Corporate and Unallocated | 2018 Restructuring Actions |  |  |
Restructuring Cost and Reserve |  |  |
Restructuring and related cost, number of positions affected | individual | 900 |  |
Restructuring charges | $ 105 |  |

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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