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Business Segments - Segment information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 7,990 | $ 8,172 | $ 7,810 | $ 7,685 | $ 7,329 | $ 7,709 | $ 7,662 | $ 7,409 | $ 31,657 | $ 30,109 | $ 30,274
Operating Income |  |  |  |  |  |  |  |  | 7,692 | 7,027 | 6,980
Assets | 37,987 |  |  |  | 32,906 |  |  |  | 37,987 | 32,906 | 32,883
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,544 | 1,474 | 1,435
Capital expenditures |  |  |  |  |  |  |  |  | 1,373 | 1,420 | 1,461
Industrial | Previously Reported |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Increase decrease in capital expenditures due to immaterial revision |  |  |  |  |  |  |  |  | (54) |  |
Health Care | Previously Reported |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Increase decrease in depreciation and amortization expense due to immaterial revision |  |  |  |  |  |  |  |  | (71) |  |
Increase decrease in capital expenditures due to immaterial revision |  |  |  |  |  |  |  |  | 54 |  |
Electronics and Energy | Previously Reported |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Increase decrease in depreciation and amortization expense due to immaterial revision |  |  |  |  |  |  |  |  | 71 |  |
Business Segments | Industrial |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 11,866 | 11,217 | 11,243
Operating Income |  |  |  |  |  |  |  |  | 2,490 | 2,528 | 2,498
Assets | 9,895 |  |  |  | 9,140 |  |  |  | 9,895 | 9,140 | 9,205
Depreciation and amortization |  |  |  |  |  |  |  |  | 432 | 407 | 374
Capital expenditures |  |  |  |  |  |  |  |  | 381 | 360 | 317
Business Segments | Safety and Graphics |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 6,235 | 5,948 | 5,808
Operating Income |  |  |  |  |  |  |  |  | 2,066 | 1,403 | 1,359
Assets | 9,874 |  |  |  | 7,626 |  |  |  | 9,874 | 7,626 | 7,709
Depreciation and amortization |  |  |  |  |  |  |  |  | 275 | 277 | 258
Capital expenditures |  |  |  |  |  |  |  |  | 184 | 228 | 207
Business Segments | Health Care |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 5,853 | 5,606 | 5,490
Operating Income |  |  |  |  |  |  |  |  | 1,764 | 1,731 | 1,749
Assets | 4,757 |  |  |  | 4,293 |  |  |  | 4,757 | 4,293 | 4,391
Depreciation and amortization |  |  |  |  |  |  |  |  | 175 | 175 | 179
Capital expenditures |  |  |  |  |  |  |  |  | 137 | 136 | 168
Business Segments | Electronics and Energy |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 5,501 | 4,926 | 5,398
Operating Income |  |  |  |  |  |  |  |  | 1,377 | 1,145 | 1,171
Assets | 4,291 |  |  |  | 4,335 |  |  |  | 4,291 | 4,335 | 4,530
Depreciation and amortization |  |  |  |  |  |  |  |  | 240 | 223 | 275
Capital expenditures |  |  |  |  |  |  |  |  | 152 | 187 | 202
Business Segments | Consumer |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 4,731 | 4,578 | 4,518
Operating Income |  |  |  |  |  |  |  |  | 1,004 | 1,054 | 1,074
Assets | 2,706 |  |  |  | 2,497 |  |  |  | 2,706 | 2,497 | 2,386
Depreciation and amortization |  |  |  |  |  |  |  |  | 112 | 114 | 108
Capital expenditures |  |  |  |  |  |  |  |  | 109 | 109 | 124
Corporate and Unallocated |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 3 | 6 | 4
Operating Income |  |  |  |  |  |  |  |  | (395) | (321) | (361)
Assets | $ 6,464 |  |  |  | $ 5,015 |  |  |  | 6,464 | 5,015 | 4,662
Depreciation and amortization |  |  |  |  |  |  |  |  | 310 | 278 | 241
Capital expenditures |  |  |  |  |  |  |  |  | 410 | 400 | 443
Elimination of Dual Credit |  |  |  |  |  |  |  |  |  |  |
Business Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (2,532) | (2,172) | (2,187)
Operating Income |  |  |  |  |  |  |  |  | $ (614) | $ (513) | $ (510)

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