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Other Intangible Assets, Net - Other Intangible Assets, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]
Gross Cost	$ 1,599	$ 1,374
Accumulated Amortization	(1,154)	(1,075)
Net Cost	445	299
Technologies & Licenses [Member]
Finite Lived Intangible Assets [Line Items]
Gross Cost	934	699
Accumulated Amortization	(623)	(578)
Net Cost	311	121
Purchased and Internally Developed Software [Member]
Finite Lived Intangible Assets [Line Items]
Gross Cost	537	486
Accumulated Amortization	(461)	(427)
Net Cost	76	59
Technologies in Progress [Member]
Finite Lived Intangible Assets [Line Items]
Gross Cost	56	119
Net Cost	56	119
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Gross Cost	72	70
Accumulated Amortization	(70)	$ (70)
Net Cost	$ 2

X

- 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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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+ 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

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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