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Goodwill and Intangible Assets - Goodwill balance by business segment (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Goodwill Information |  |  |  |
Goodwill recorded from acquisitions |  | $ 0 | $ 0 |
Net impact of adjustments |  |  | (34,000,000) |
Goodwill |  |  |  |
Balance at the beginning of the period |  | 13,802,000,000 | 13,444,000,000 |
Acquisition activity |  |  | (34,000,000) |
Divestiture activity |  |  | (29,000,000) |
Translation and other |  | (316,000,000) | 421,000,000 |
Balance at the end of the period | $ 13,486,000,000 | 13,486,000,000 | 13,802,000,000 | $ 13,444,000,000
Goodwill impairment | 0 |  | 0 | 0
Safety and Industrial |  |  |  |
Goodwill Information |  |  |  |
Net impact of adjustments |  |  | 0 |
Goodwill |  |  |  |
Balance at the beginning of the period |  | 4,687,000,000 | 4,621,000,000 |
Acquisition activity |  |  | 0 |
Divestiture activity |  |  | 0 |
Translation and other |  | (65,000,000) | 66,000,000 |
Balance at the end of the period | 4,622,000,000 | 4,622,000,000 | 4,687,000,000 | 4,621,000,000
Transportation and Electronics |  |  |  |
Goodwill Information |  |  |  |
Net impact of adjustments |  |  | 0 |
Goodwill |  |  |  |
Balance at the beginning of the period |  | 1,858,000,000 | 1,830,000,000 |
Acquisition activity |  |  | 0 |
Divestiture activity |  |  | (10,000,000) |
Translation and other |  | (33,000,000) | 38,000,000 |
Balance at the end of the period | 1,825,000,000 | 1,825,000,000 | 1,858,000,000 | 1,830,000,000
Health Care |  |  |  |
Goodwill Information |  |  |  |
Net impact of adjustments |  |  | (34,000,000) |
Goodwill |  |  |  |
Balance at the beginning of the period |  | 6,992,000,000 | 6,739,000,000 |
Acquisition activity |  |  | (34,000,000) |
Divestiture activity |  |  | (19,000,000) |
Translation and other |  | (206,000,000) | 306,000,000 |
Balance at the end of the period | 6,786,000,000 | 6,786,000,000 | 6,992,000,000 | 6,739,000,000
Consumer |  |  |  |
Goodwill Information |  |  |  |
Net impact of adjustments |  |  | 0 |
Goodwill |  |  |  |
Balance at the beginning of the period |  | 265,000,000 | 254,000,000 |
Acquisition activity |  |  | 0 |
Divestiture activity |  |  | 0 |
Translation and other |  | (12,000,000) | 11,000,000 |
Balance at the end of the period | $ 253,000,000 | $ 253,000,000 | $ 265,000,000 | $ 254,000,000

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