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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
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-Publisher FASB
-Name Accounting Standards Codification
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Amount before accumulated amortization of intangible assets, excluding goodwill.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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