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Goodwill and Intangible Assets (Acquired Intangible Assets) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Acquired intangible assets disclosures |  |
Total gross carrying amount | $ 4,653 | $ 4,198
Total accumulated amortization | (2,245) | (2,182)
Total finite-lived intangible assets - net | 2,408 | 2,016
Non-amortizable intangible assets (primarily tradenames) | 639 | 641
Total intangible assets - net | $ 3,047 | 2,657
Indefinite lived tradenames years in existence | 55 years |
Customer related intangible assets |  |
Acquired intangible assets disclosures |  |
Total gross carrying amount | $ 2,577 | 2,291
Total accumulated amortization | (1,034) | (998)
Patents |  |
Acquired intangible assets disclosures |  |
Total gross carrying amount | 539 | 542
Total accumulated amortization | (489) | (487)
Other technology-based intangible assets |  |
Acquired intangible assets disclosures |  |
Total gross carrying amount | 738 | 576
Total accumulated amortization | (350) | (333)
Definite-lived tradenames |  |
Acquired intangible assets disclosures |  |
Total gross carrying amount | 674 | 664
Total accumulated amortization | (284) | (276)
Other amortizable intangible assets |  |
Acquired intangible assets disclosures |  |
Total gross carrying amount | 125 | 125
Total accumulated amortization | $ (88) | $ (88)

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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