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Acquisitions and Divestitures - Acquisitions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Business Acquisitions Information |  |  |
Purchase price paid for business combinations (net of cash acquired) | $ 2,023 | $ 16 | $ 2,914
Accounts receivable | 100 |  | 103
Inventory | 79 |  | 102
Other current assets | 10 |  | 12
Property, plant and equipment | 74 |  | 171
Purchased finite-lived intangible assets | 855 | 4 | 1,000
Purchased indefinite-lived intangible assets |  |  | 520
Purchased goodwill | 1,302 | 14 | 2,495
Accounts payable and other liabilities | (100) |  |
Accounts payable and other liabilities, net of other assets |  |  | (232)
Interest bearing debt |  |  | (766)
Deferred tax asset/(liability) | (297) |  | (471)
Net assets acquired | 2,023 |  | 2,914
Supplemental information: |  |  |
Cash paid | 2,032 |  | 2,949
Less: Cash acquired | 9 |  | 35
Cash paid, net of cash acquired | 2,023 | $ 16 | 2,914
Customer related intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 442 |  | 755
Patents |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 62
Other technology-based intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 127 |  | 128
Definite-lived tradenames |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 285 |  | 33
Other amortizable intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | $ 1 |  | $ 2
Maximum |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 17 years | 20 years | 20 years
Minimum |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 4 years | 2 years | 2 years
Weighted average |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 15 years | 8 years | 14 years
Weighted average | Customer related intangible assets |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 15 years |  | 16 years
Weighted average | Patents |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life |  |  | 7 years
Weighted average | Other technology-based intangible assets |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 10 years |  | 7 years
Weighted average | Definite-lived tradenames |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 17 years |  | 16 years
Weighted average | Other amortizable intangible assets |  |  |
Business Acquisitions Information |  |  |
Intangible assets useful life | 5 years |  | 4 years
Scott Safety |  |  |
Business Acquisitions Information |  |  |
Purchase price paid for business combinations (net of cash acquired) | $ 2,011 |  |
Accounts receivable | 100 |  |
Inventory | 79 |  |
Other current assets | 10 |  |
Property, plant and equipment | 74 |  |
Purchased goodwill | 1,296 |  |
Accounts payable and other liabilities | (100) |  |
Deferred tax asset/(liability) | (297) |  |
Net assets acquired | 2,011 |  |
Supplemental information: |  |  |
Cash paid | 2,020 |  |
Less: Cash acquired | 9 |  |
Cash paid, net of cash acquired | 2,011 |  |
Annual sales prior to acquisition |  | $ 570 |
Scott Safety | Customer related intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 439 |  |
Scott Safety | Other technology-based intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 125 |  |
Scott Safety | Definite-lived tradenames |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 285 |  |
Capital Safety |  |  |
Business Acquisitions Information |  |  |
Purchase price paid for business combinations (net of cash acquired) |  |  | $ 1,724
Accounts receivable |  |  | 66
Inventory |  |  | 63
Other current assets |  |  | 10
Property, plant and equipment |  |  | 36
Purchased indefinite-lived intangible assets |  |  | 520
Purchased goodwill |  |  | 1,764
Accounts payable and other liabilities, net of other assets |  |  | (105)
Interest bearing debt |  |  | (766)
Deferred tax asset/(liability) |  |  | (464)
Net assets acquired |  |  | 1,724
Supplemental information: |  |  |
Cash paid |  |  | 1,758
Less: Cash acquired |  |  | 34
Adjustments to the preliminary purchase price allocations within the allocation period primarily related to contingent liabilities and certain tax-related items |  | $ 35 |
Cash paid, net of cash acquired |  |  | 1,724
Capital Safety | Customer related intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 445
Capital Safety | Patents |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 44
Capital Safety | Other technology-based intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 85
Capital Safety | Definite-lived tradenames |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | $ 26
Capital Safety | Minimum |  |  |
Business Acquisitions Information |  |  |
Minimum number of years of an indefinite-lived asset |  |  | 55 years
Polypore Separations Media |  |  |
Business Acquisitions Information |  |  |
Purchase price paid for business combinations (net of cash acquired) |  |  | $ 1,037
Accounts receivable |  |  | 30
Inventory |  |  | 35
Other current assets |  |  | 1
Property, plant and equipment |  |  | 128
Purchased goodwill |  |  | 636
Accounts payable and other liabilities, net of other assets |  |  | (122)
Net assets acquired |  |  | 1,037
Supplemental information: |  |  |
Cash paid |  |  | 1,037
Cash paid, net of cash acquired |  |  | 1,037
Polypore Separations Media | Customer related intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 270
Polypore Separations Media | Patents |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 11
Polypore Separations Media | Other technology-based intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 42
Polypore Separations Media | Definite-lived tradenames |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 6
Other Acquisitions |  |  |
Business Acquisitions Information |  |  |
Purchase price paid for business combinations (net of cash acquired) | 12 |  | 153
Accounts receivable |  |  | 7
Inventory |  |  | 4
Other current assets |  |  | 1
Property, plant and equipment |  |  | 7
Purchased goodwill | 6 |  | 95
Accounts payable and other liabilities, net of other assets |  |  | (5)
Deferred tax asset/(liability) |  |  | (7)
Net assets acquired | 12 |  | 153
Supplemental information: |  |  |
Cash paid | 12 |  | 154
Less: Cash acquired |  |  | 1
Cash paid, net of cash acquired | 12 |  | 153
Other Acquisitions | Customer related intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 3 |  | 40
Other Acquisitions | Patents |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 7
Other Acquisitions | Other technology-based intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | 2 |  | 1
Other Acquisitions | Definite-lived tradenames |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets |  |  | 1
Other Acquisitions | Other amortizable intangible assets |  |  |
Business Acquisitions Information |  |  |
Purchased finite-lived intangible assets | $ 1 |  | $ 2

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