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v3.8.0.1

Restructuring and other cost savings initiatives (Details Textual) $ in Millions | Dec. 31, 2017 USD ($)
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Separation and other headcount-related costs [Member] |
Restructuring Cost and Reserve [Line Items] |
Total costs incurred to date | $ 558
Asset-related charges [Member] |
Restructuring Cost and Reserve [Line Items] |
Total costs incurred to date | 239
Minimum [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring expected cost | 825
Restructuring expected separation and other headcount-related cost | 560
Restructuring expected asset impairments, accelerated depreciation and other related costs | 265
Maximum [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring expected cost | 900
Restructuring expected separation and other headcount-related cost | 600
Restructuring expected asset impairments, accelerated depreciation and other related costs | $ 300

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- Definition Restructuring and Related Cost, Expected Cost, Accelerated Depreciation and Asset Impairment Charges and Other Costs + References No definition available. + Details
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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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