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Goodwill and Intangible Assets Gross carrying value, accumulated amortization and net carrying value of intangible assets (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 20,538 | $ 15,680
Finite-Lived Intangible Assets, Accumulated Amortization | (6,137) | (5,636)
Intangible Assets, Net (Excluding Goodwill) | 14,401 | 10,044
Customer-Related Intangible Assets [Member] |  |
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | 16,303 | 13,011
Finite-Lived Intangible Assets, Accumulated Amortization | (5,179) | (4,697)
Intangible Assets, Net (Excluding Goodwill) | 11,124 | 8,314
Trademarks and Technology [Member] |  |
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | 2,398 | 1,630
Finite-Lived Intangible Assets, Accumulated Amortization | (704) | (739)
Intangible Assets, Net (Excluding Goodwill) | 1,694 | 891
Trademarks and Trade Names [Member] |  |
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | 661 | 617
Finite-Lived Intangible Assets, Accumulated Amortization | 0 | 0
Intangible Assets, Net (Excluding Goodwill) | 661 | 617
Other Intangible Assets [Member] |  |
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | 1,176 | 422
Finite-Lived Intangible Assets, Accumulated Amortization | (254) | (200)
Intangible Assets, Net (Excluding Goodwill) | $ 922 | $ 222

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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